57478946360640 has 112 divisors (see below), whose sum is σ = 208566462532992. Its totient is φ = 13138044880896.

The previous prime is 57478946360639. The next prime is 57478946360653. The reversal of 57478946360640 is 4606364987475.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 4276700599 + ... + 4276714038.

Almost surely, 2^{57478946360640} is an apocalyptic number.

It is an amenable number.

57478946360640 is an abundant number, since it is smaller than the sum of its proper divisors (151087516172352).

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

57478946360640 is a wasteful number, since it uses less digits than its factorization.

57478946360640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553414664 (or 8553414654 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 69.

The spelling of 57478946360640 in words is "fifty-seven trillion, four hundred seventy-eight billion, nine hundred forty-six million, three hundred sixty thousand, six hundred forty".