57740218728 has 32 divisors (see below), whose sum is σ = 144493670400. Its totient is φ = 19227656448.

The previous prime is 57740218727. The next prime is 57740218741. The reversal of 57740218728 is 82781204775.

57740218728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57740218727) 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, 1167976 + ... + 1216407.

It is an arithmetic number, because the mean of its divisors is an integer number (4515427200).

Almost surely, 2^57740218728 is an apocalyptic number.

It is an amenable number.

57740218728 is an abundant number, since it is smaller than the sum of its proper divisors (86753451672).

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

57740218728 is a wasteful number, since it uses less digits than its factorization.

57740218728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385401 (or 2385397 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 51.

The spelling of 57740218728 in words is "fifty-seven billion, seven hundred forty million, two hundred eighteen thousand, seven hundred twenty-eight".