57474641728 has 84 divisors (see below), whose sum is σ = 132795459072. Its totient is φ = 24609043200.

The previous prime is 57474641711. The next prime is 57474641767. The reversal of 57474641728 is 82714647475.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3601575 + ... + 3617497.

Almost surely, 2^57474641728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57474641728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66397729536).

57474641728 is an abundant number, since it is smaller than the sum of its proper divisors (75320817344).

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

57474641728 is a wasteful number, since it uses less digits than its factorization.

57474641728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17100 (or 17083 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 55.

The spelling of 57474641728 in words is "fifty-seven billion, four hundred seventy-four million, six hundred forty-one thousand, seven hundred twenty-eight".