56710592640 has 512 divisors, whose sum is σ = 222178521600. Its totient is φ = 13580255232.

The previous prime is 56710592639. The next prime is 56710592647. The reversal of 56710592640 is 4629501765.

56710592640 is a `hidden beast` number, since 5 + 6 + 7 + 10 + 592 + 6 + 40 = 666.

It is a super-3 number, since 3×56710592640³ (a number of 33 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (56710592647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8308269 + ... + 8315091.

It is an arithmetic number, because the mean of its divisors is an integer number (433942425).

Almost surely, 2^56710592640 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 56710592640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111089260800).

56710592640 is an abundant number, since it is smaller than the sum of its proper divisors (165467928960).

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

56710592640 is a wasteful number, since it uses less digits than its factorization.

56710592640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 56710592640 in words is "fifty-six billion, seven hundred ten million, five hundred ninety-two thousand, six hundred forty".