57444644474 has 32 divisors (see below), whose sum is σ = 104165809920. Its totient is φ = 23226141312.

The previous prime is 57444644443. The next prime is 57444644489. The reversal of 57444644474 is 47444644475.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198409 + ... + 1245420.

It is an arithmetic number, because the mean of its divisors is an integer number (3255181560).

Almost surely, 2^57444644474 is an apocalyptic number.

57444644474 is a deficient number, since it is larger than the sum of its proper divisors (46721165446).

57444644474 is a wasteful number, since it uses less digits than its factorization.

57444644474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443934.

The product of its digits is 24084480, while the sum is 53.

Subtracting from 57444644474 its reverse (47444644475), we obtain a palindrome (9999999999).

The spelling of 57444644474 in words is "fifty-seven billion, four hundred forty-four million, six hundred forty-four thousand, four hundred seventy-four".