57400669440 has 360 divisors, whose sum is σ = 214328999808. Its totient is φ = 14640721920.

The previous prime is 57400669423. The next prime is 57400669451. The reversal of 57400669440 is 4496600475.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2372605 + ... + 2396675.

Almost surely, 2^57400669440 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 57400669440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107164499904).

57400669440 is an abundant number, since it is smaller than the sum of its proper divisors (156928330368).

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

57400669440 is a wasteful number, since it uses less digits than its factorization.

57400669440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24127 (or 24104 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 57400669440 in words is "fifty-seven billion, four hundred million, six hundred sixty-nine thousand, four hundred forty".