57612181438 has 32 divisors (see below), whose sum is σ = 99839075328. Its totient is φ = 24422580000.

The previous prime is 57612181427. The next prime is 57612181447. The reversal of 57612181438 is 83418121675.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466731 + ... + 1505497.

It is an arithmetic number, because the mean of its divisors is an integer number (3119971104).

Almost surely, 2^57612181438 is an apocalyptic number.

57612181438 is a deficient number, since it is larger than the sum of its proper divisors (42226893890).

57612181438 is a wasteful number, since it uses less digits than its factorization.

57612181438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39928.

The product of its digits is 322560, while the sum is 46.

The spelling of 57612181438 in words is "fifty-seven billion, six hundred twelve million, one hundred eighty-one thousand, four hundred thirty-eight".