8440

8440 is a natural number that comes after 8439 and before 8441. In mathematics, 8440 is an even composite number. Its prime factorization is 2^3 × 5 × 211, which makes it divisible by 2, 4, 5, 8, 10, 20, 40, and other combinations. Consequently, it has 16 positive divisors: 1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440. The sum of its divisors is 19,080, giving an aliquot sum of 10,640 and confirming that 8440 is an abundant number.

In various numeral bases, 8440 is represented as 8440 in decimal, 10000011111000 in binary, 20370 in octal, and 20F8 in hexadecimal. These representations illustrate how the same value appears across different base systems, with the binary form reflecting its factorization and parity properties.

Overall, 8440 is characterized by its even, composite nature, its prime factors, and its status as an abundant number, alongside standard representations in multiple bases.