57657404380 has 12 divisors (see below), whose sum is σ = 121080549240. Its totient is φ = 23062961744.

The previous prime is 57657404377. The next prime is 57657404513. The reversal of 57657404380 is 8340475675.

It is a congruent number.

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, 1441435090 + ... + 1441435129.

It is an arithmetic number, because the mean of its divisors is an integer number (10090045770).

Almost surely, 2^57657404380 is an apocalyptic number.

It is an amenable number.

57657404380 is an abundant number, since it is smaller than the sum of its proper divisors (63423144860).

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

57657404380 is a wasteful number, since it uses less digits than its factorization.

57657404380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882870228 (or 2882870226 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 57657404380 in words is "fifty-seven billion, six hundred fifty-seven million, four hundred four thousand, three hundred eighty".