56426447140 has 96 divisors (see below), whose sum is σ = 137999635200. Its totient is φ = 18979530240.

The previous prime is 56426447131. The next prime is 56426447173. The reversal of 56426447140 is 4174462465.

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, 4197630 + ... + 4211050.

It is an arithmetic number, because the mean of its divisors is an integer number (1437496200).

Almost surely, 2^56426447140 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 56426447140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68999817600).

56426447140 is an abundant number, since it is smaller than the sum of its proper divisors (81573188060).

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

56426447140 is a wasteful number, since it uses less digits than its factorization.

56426447140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005 (or 14003 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 56426447140 in words is "fifty-six billion, four hundred twenty-six million, four hundred forty-seven thousand, one hundred forty".