56267739540 has 72 divisors (see below), whose sum is σ = 171536601600. Its totient is φ = 14929320384.

The previous prime is 56267739523. The next prime is 56267739547. The reversal of 56267739540 is 4593776265.

56267739540 is a `hidden beast` number, since 5 + 6 + 2 + 67 + 7 + 39 + 540 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56267739547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 749604 + ... + 821243.

It is an arithmetic number, because the mean of its divisors is an integer number (2382452800).

Almost surely, 2^56267739540 is an apocalyptic number.

It is an amenable number.

56267739540 is an abundant number, since it is smaller than the sum of its proper divisors (115268862060).

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

56267739540 is a wasteful number, since it uses less digits than its factorization.

56267739540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571061 (or 1571056 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 56267739540 in words is "fifty-six billion, two hundred sixty-seven million, seven hundred thirty-nine thousand, five hundred forty".