640650

640650 is a natural number that falls between 640649 and 640651 in the sequence of integers. It is an even number and ends with a zero, making it divisible by 10 and by 50 as well.

The prime factorization of 640650 is 2 × 3 × 5^2 × 4271, where 4271 is a prime number. From this factorization, the number has 24 positive divisors. It is not a prime, nor a perfect square or cube, and it does not correspond to any commonly noted constant or special integer in standard mathematical lists.

In decimal form it is written as 640650, and in scientific notation it can be expressed as 6.4065 × 10^5. The number’s arithmetic structure—multiple small prime factors together with a larger prime factor—mirrors a typical composite used in examples and test cases in elementary number theory and computer science contexts.

As a standalone integer, 640650 does not denote a widely recognized mathematical object or constant. In practice, it may appear as a random or incidental identifier, catalog number, or data value in datasets, simulations, or programming tasks.