56124722640 has 160 divisors (see below), whose sum is σ = 198910768896. Its totient is φ = 12824064000.

The previous prime is 56124722639. The next prime is 56124722653. The reversal of 56124722640 is 4622742165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9238644 + ... + 9244716.

Almost surely, 2^56124722640 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 56124722640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99455384448).

56124722640 is an abundant number, since it is smaller than the sum of its proper divisors (142786046256).

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

56124722640 is a wasteful number, since it uses less digits than its factorization.

56124722640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597 (or 11591 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 56124722640 in words is "fifty-six billion, one hundred twenty-four million, seven hundred twenty-two thousand, six hundred forty".