57390602144 has 48 divisors (see below), whose sum is σ = 115850124936. Its totient is φ = 27969638400.

The previous prime is 57390602089. The next prime is 57390602177. The reversal of 57390602144 is 44120609375.

It can be written as a sum of positive squares in 4 ways, for example, as 17545651600 + 39844950544 = 132460^2 + 199612^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 1445924 + ... + 1485084.

Almost surely, 2^57390602144 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 57390602144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57925062468).

57390602144 is an abundant number, since it is smaller than the sum of its proper divisors (58459522792).

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

57390602144 is a wasteful number, since it uses less digits than its factorization.

57390602144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40329 (or 40321 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 57390602144 in words is "fifty-seven billion, three hundred ninety million, six hundred two thousand, one hundred forty-four".