56444023644 has 12 divisors (see below), whose sum is σ = 131702721864. Its totient is φ = 18814674544.

The previous prime is 56444023613. The next prime is 56444023651. The reversal of 56444023644 is 44632044465.

It is a happy number.

56444023644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 56444023596 and 56444023605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351834307 + ... + 2351834330.

It is an arithmetic number, because the mean of its divisors is an integer number (10975226822).

Almost surely, 2^56444023644 is an apocalyptic number.

It is an amenable number.

56444023644 is an abundant number, since it is smaller than the sum of its proper divisors (75258698220).

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

56444023644 is a wasteful number, since it uses less digits than its factorization.

56444023644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703668644 (or 4703668642 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 56444023644 in words is "fifty-six billion, four hundred forty-four million, twenty-three thousand, six hundred forty-four".