57886000640 has 160 divisors (see below), whose sum is σ = 149732041536. Its totient is φ = 21335408640.

The previous prime is 57886000631. The next prime is 57886000717. The reversal of 57886000640 is 4600068875.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 57886000591 and 57886000600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24725870 + ... + 24728210.

Almost surely, 2^57886000640 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 57886000640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74866020768).

57886000640 is an abundant number, since it is smaller than the sum of its proper divisors (91846040896).

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

57886000640 is a wasteful number, since it uses less digits than its factorization.

57886000640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 57886000640 in words is "fifty-seven billion, eight hundred eighty-six million, six hundred forty", and thus it is an aban number.