56729874264 has 192 divisors, whose sum is σ = 179267097600. Its totient is φ = 14859936000.

The previous prime is 56729874217. The next prime is 56729874281. The reversal of 56729874264 is 46247892765.

It is a junction number, because it is equal to n+sod(n) for n = 56729874198 and 56729874207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651714 + ... + 733614.

It is an arithmetic number, because the mean of its divisors is an integer number (933682800).

Almost surely, 2^56729874264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56729874264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89633548800).

56729874264 is an abundant number, since it is smaller than the sum of its proper divisors (122537223336).

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

56729874264 is a wasteful number, since it uses less digits than its factorization.

56729874264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81974 (or 81963 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 56729874264 in words is "fifty-six billion, seven hundred twenty-nine million, eight hundred seventy-four thousand, two hundred sixty-four".