57128632770 has 96 divisors (see below), whose sum is σ = 158889387456. Its totient is φ = 13034675200.

The previous prime is 57128632763. The next prime is 57128632789. The reversal of 57128632770 is 7723682175.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204141 + ... + 394880.

It is an arithmetic number, because the mean of its divisors is an integer number (1655097786).

Almost surely, 2^57128632770 is an apocalyptic number.

57128632770 is an abundant number, since it is smaller than the sum of its proper divisors (101760754686).

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

57128632770 is a wasteful number, since it uses less digits than its factorization.

57128632770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599076 (or 599059 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 57128632770 in words is "fifty-seven billion, one hundred twenty-eight million, six hundred thirty-two thousand, seven hundred seventy".