10440842256 has 120 divisors (see below), whose sum is σ = 31626795200. Its totient is φ = 3196309248.

The previous prime is 10440842221. The next prime is 10440842273. The reversal of 10440842256 is 65224804401.

It is a super-2 number, since 2×10440842256² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 10440842256.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358515 + ... + 386541.

Almost surely, 2^10440842256 is an apocalyptic number.

10440842256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10440842256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15813397600).

10440842256 is an abundant number, since it is smaller than the sum of its proper divisors (21185952944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10440842256 is a wasteful number, since it uses less digits than its factorization.

10440842256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28253 (or 28244 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 10440842256 in words is "ten billion, four hundred forty million, eight hundred forty-two thousand, two hundred fifty-six".