57134747440 has 20 divisors (see below), whose sum is σ = 132838287984. Its totient is φ = 22853898944.

The previous prime is 57134747437. The next prime is 57134747441. The reversal of 57134747440 is 4474743175.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (57134747441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357092092 + ... + 357092251.

Almost surely, 2^57134747440 is an apocalyptic number.

It is an amenable number.

57134747440 is an abundant number, since it is smaller than the sum of its proper divisors (75703540544).

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

57134747440 is a wasteful number, since it uses less digits than its factorization.

57134747440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714184356 (or 714184350 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 46.

The spelling of 57134747440 in words is "fifty-seven billion, one hundred thirty-four million, seven hundred forty-seven thousand, four hundred forty".