57126730418 has 32 divisors (see below), whose sum is σ = 90876349440. Its totient is φ = 26857472400.

The previous prime is 57126730411. The next prime is 57126730433. The reversal of 57126730418 is 81403762175.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57126730411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7840205 + ... + 7847487.

It is an arithmetic number, because the mean of its divisors is an integer number (2839885920).

Almost surely, 2^57126730418 is an apocalyptic number.

57126730418 is a deficient number, since it is larger than the sum of its proper divisors (33749619022).

57126730418 is a wasteful number, since it uses less digits than its factorization.

57126730418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 57126730418 in words is "fifty-seven billion, one hundred twenty-six million, seven hundred thirty thousand, four hundred eighteen".