57402137560 has 32 divisors (see below), whose sum is σ = 129161738160. Its totient is φ = 22959623296.

The previous prime is 57402137557. The next prime is 57402137561. The reversal of 57402137560 is 6573120475.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57402137561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244022 + ... + 1289338.

Almost surely, 2^57402137560 is an apocalyptic number.

It is an amenable number.

57402137560 is an abundant number, since it is smaller than the sum of its proper divisors (71759600600).

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

57402137560 is a wasteful number, since it uses less digits than its factorization.

57402137560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76995 (or 76991 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 57402137560 in words is "fifty-seven billion, four hundred two million, one hundred thirty-seven thousand, five hundred sixty".