57807830640 has 160 divisors (see below), whose sum is σ = 204940454400. Its totient is φ = 13204472832.

The previous prime is 57807830627. The next prime is 57807830797. The reversal of 57807830640 is 4603870875.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 57807830640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2722786 + ... + 2743934.

It is an arithmetic number, because the mean of its divisors is an integer number (1280877840).

Almost surely, 2^57807830640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57807830640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102470227200).

57807830640 is an abundant number, since it is smaller than the sum of its proper divisors (147132623760).

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

57807830640 is a wasteful number, since it uses less digits than its factorization.

57807830640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22799 (or 22793 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 57807830640 in words is "fifty-seven billion, eight hundred seven million, eight hundred thirty thousand, six hundred forty".