56966458140 has 72 divisors (see below), whose sum is σ = 177246237840. Its totient is φ = 15189576480.

The previous prime is 56966458139. The next prime is 56966458177. The reversal of 56966458140 is 4185466965.

56966458140 is a `hidden beast` number, since 56 + 9 + 6 + 6 + 4 + 581 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5541205 + ... + 5551475.

Almost surely, 2^56966458140 is an apocalyptic number.

It is an amenable number.

56966458140 is an abundant number, since it is smaller than the sum of its proper divisors (120279779700).

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

56966458140 is an equidigital number, since it uses as much as digits as its factorization.

56966458140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20560 (or 10281 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 56966458140 in words is "fifty-six billion, nine hundred sixty-six million, four hundred fifty-eight thousand, one hundred forty".