10440487992 has 64 divisors (see below), whose sum is σ = 29972707200. Its totient is φ = 2997267840.

The previous prime is 10440487979. The next prime is 10440488027. The reversal of 10440487992 is 29978404401.

It is a super-2 number, since 2×10440487992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035703 + ... + 1045734.

It is an arithmetic number, because the mean of its divisors is an integer number (468323550).

Almost surely, 2^10440487992 is an apocalyptic number.

10440487992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10440487992 is an abundant number, since it is smaller than the sum of its proper divisors (19532219208).

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

10440487992 is a wasteful number, since it uses less digits than its factorization.

10440487992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081476 (or 2081472 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 10440487992 in words is "ten billion, four hundred forty million, four hundred eighty-seven thousand, nine hundred ninety-two".