57970440 has 96 divisors (see below), whose sum is σ = 205545600. Its totient is φ = 14052480.

The previous prime is 57970439. The next prime is 57970481. The reversal of 57970440 is 4407975.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57970395 and 57970404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3360 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (2141100).

Almost surely, 2^57970440 is an apocalyptic number.

It is an amenable number.

57970440 is an abundant number, since it is smaller than the sum of its proper divisors (147575160).

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

57970440 is a wasteful number, since it uses less digits than its factorization.

57970440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667 (or 14660 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 57970440 is about 7613.8321494501. The cubic root of 57970440 is about 387.0218924778.

The spelling of 57970440 in words is "fifty-seven million, nine hundred seventy thousand, four hundred forty".