56402668904 has 32 divisors (see below), whose sum is σ = 106229672640. Its totient is φ = 28074988800.

The previous prime is 56402668859. The next prime is 56402668943. The reversal of 56402668904 is 40986620465.

56402668904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56402668904² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003792 + ... + 2031744.

It is an arithmetic number, because the mean of its divisors is an integer number (3319677270).

Almost surely, 2^56402668904 is an apocalyptic number.

It is an amenable number.

56402668904 is a deficient number, since it is larger than the sum of its proper divisors (49827003736).

56402668904 is a wasteful number, since it uses less digits than its factorization.

56402668904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29081 (or 29077 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 56402668904 in words is "fifty-six billion, four hundred two million, six hundred sixty-eight thousand, nine hundred four".