56673428004 has 24 divisors (see below), whose sum is σ = 146931109920. Its totient is φ = 18891142632.

The previous prime is 56673427991. The next prime is 56673428041. The reversal of 56673428004 is 40082437665.

56673428004 is a `hidden beast` number, since 566 + 7 + 3 + 4 + 2 + 80 + 0 + 4 = 666.

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, 262376874 + ... + 262377089.

It is an arithmetic number, because the mean of its divisors is an integer number (6122129580).

Almost surely, 2^56673428004 is an apocalyptic number.

56673428004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56673428004 is an abundant number, since it is smaller than the sum of its proper divisors (90257681916).

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

56673428004 is a wasteful number, since it uses less digits than its factorization.

56673428004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524753976 (or 524753968 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 56673428004 in words is "fifty-six billion, six hundred seventy-three million, four hundred twenty-eight thousand, four".