56700931280 has 80 divisors (see below), whose sum is σ = 151320731520. Its totient is φ = 19355383296.

The previous prime is 56700931229. The next prime is 56700931363. The reversal of 56700931280 is 8213900765.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92834 + ... + 349313.

It is an arithmetic number, because the mean of its divisors is an integer number (1891509144).

Almost surely, 2^56700931280 is an apocalyptic number.

It is an amenable number.

56700931280 is an abundant number, since it is smaller than the sum of its proper divisors (94619800240).

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

56700931280 is a wasteful number, since it uses less digits than its factorization.

56700931280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442396 (or 442390 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 56700931280 in words is "fifty-six billion, seven hundred million, nine hundred thirty-one thousand, two hundred eighty".