56560266720 has 144 divisors (see below), whose sum is σ = 197500775472. Its totient is φ = 14731960320.

The previous prime is 56560266671. The next prime is 56560266731. The reversal of 56560266720 is 2766206565.

56560266720 is a `hidden beast` number, since 5 + 6 + 560 + 2 + 6 + 67 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394801 + ... + 518640.

It is an arithmetic number, because the mean of its divisors is an integer number (1371533163).

Almost surely, 2^56560266720 is an apocalyptic number.

It is an amenable number.

56560266720 is an abundant number, since it is smaller than the sum of its proper divisors (140940508752).

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

56560266720 is a wasteful number, since it uses less digits than its factorization.

56560266720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913505 (or 913494 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 56560266720 in words is "fifty-six billion, five hundred sixty million, two hundred sixty-six thousand, seven hundred twenty".