56567726140 has 24 divisors (see below), whose sum is σ = 120565246032. Its totient is φ = 22289372160.

The previous prime is 56567726113. The next prime is 56567726143. The reversal of 56567726140 is 4162776565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56567726143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21106021 + ... + 21108700.

It is an arithmetic number, because the mean of its divisors is an integer number (5023551918).

Almost surely, 2^56567726140 is an apocalyptic number.

It is an amenable number.

56567726140 is an abundant number, since it is smaller than the sum of its proper divisors (63997519892).

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

56567726140 is a wasteful number, since it uses less digits than its factorization.

56567726140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42214797 (or 42214795 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 56567726140 in words is "fifty-six billion, five hundred sixty-seven million, seven hundred twenty-six thousand, one hundred forty".