57471136940 has 36 divisors (see below), whose sum is σ = 137937536688. Its totient is φ = 19703417280.

The previous prime is 57471136841. The next prime is 57471136949. The reversal of 57471136940 is 4963117475.

It is a super-4 number, since 4×57471136940⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (57471136949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2826410 + ... + 2846670.

Almost surely, 2^57471136940 is an apocalyptic number.

It is an amenable number.

57471136940 is an abundant number, since it is smaller than the sum of its proper divisors (80466399748).

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

57471136940 is an frugal number, since it uses more digits than its factorization.

57471136940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40538 (or 20275 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 57471136940 in words is "fifty-seven billion, four hundred seventy-one million, one hundred thirty-six thousand, nine hundred forty".