10440

10440 is a natural number that lies between 10439 and 10441. It is even and composite.

In prime factorization, 10440 = 2^3 × 3^2 × 5 × 29. The number has 48 positive divisors. The sum of its divisors is 35100, which makes 10440 an abundant number (the sum of divisors exceeds twice the number). It is also the 144th triangular number, since 144 × 145 / 2 = 10440.

As a Harshad (Niven) number, 10440 is divisible by the sum of its digits, 1+0+4+4+0 = 9, and 10440 / 9 = 1160.

In representations, 10440 is 0x28C8 in hexadecimal. In binary, it is 10100011001000.

Geographically, in the United States 10440 is a ZIP code used for parts of the Bronx, New York. ZIP codes are used by the United States Postal Service to designate delivery areas.