56766703842 has 24 divisors (see below), whose sum is σ = 123004525644. Its totient is φ = 18920696064.

The previous prime is 56766703831. The next prime is 56766703927. The reversal of 56766703842 is 24830766765.

56766703842 is a `hidden beast` number, since 567 + 6 + 6 + 7 + 0 + 38 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56763539001 + 3164841 = 238251^2 + 1779^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111418 + ... + 354890.

Almost surely, 2^56766703842 is an apocalyptic number.

56766703842 is an abundant number, since it is smaller than the sum of its proper divisors (66237821802).

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

56766703842 is a wasteful number, since it uses less digits than its factorization.

56766703842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256434 (or 256431 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 56766703842 in words is "fifty-six billion, seven hundred sixty-six million, seven hundred three thousand, eight hundred forty-two".