56420744472 has 48 divisors (see below), whose sum is σ = 152994758280. Its totient is φ = 18783705600.

The previous prime is 56420744447. The next prime is 56420744489. The reversal of 56420744472 is 27444702465.

56420744472 is a `hidden beast` number, since 56 + 420 + 74 + 44 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424729 + ... + 541512.

Almost surely, 2^56420744472 is an apocalyptic number.

It is an amenable number.

56420744472 is an abundant number, since it is smaller than the sum of its proper divisors (96574013808).

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

56420744472 is a wasteful number, since it uses less digits than its factorization.

56420744472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967064 (or 967057 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 45.

The spelling of 56420744472 in words is "fifty-six billion, four hundred twenty million, seven hundred forty-four thousand, four hundred seventy-two".