57026189964 has 12 divisors (see below), whose sum is σ = 133061109944. Its totient is φ = 19008729984.

The previous prime is 57026189951. The next prime is 57026189989. The reversal of 57026189964 is 46998162075.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376091237 + ... + 2376091260.

Almost surely, 2^57026189964 is an apocalyptic number.

It is an amenable number.

57026189964 is an abundant number, since it is smaller than the sum of its proper divisors (76034919980).

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

57026189964 is a wasteful number, since it uses less digits than its factorization.

57026189964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752182504 (or 4752182502 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 57026189964 in words is "fifty-seven billion, twenty-six million, one hundred eighty-nine thousand, nine hundred sixty-four".