57949384540 has 24 divisors (see below), whose sum is σ = 121793263200. Its totient is φ = 23160790848.

The previous prime is 57949384517. The next prime is 57949384567. The reversal of 57949384540 is 4548394975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160115 + ... + 1209034.

It is an arithmetic number, because the mean of its divisors is an integer number (5074719300).

Almost surely, 2^57949384540 is an apocalyptic number.

It is an amenable number.

57949384540 is an abundant number, since it is smaller than the sum of its proper divisors (63843878660).

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

57949384540 is a wasteful number, since it uses less digits than its factorization.

57949384540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370381 (or 2370379 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 57949384540 in words is "fifty-seven billion, nine hundred forty-nine million, three hundred eighty-four thousand, five hundred forty".