57412640 has 24 divisors (see below), whose sum is σ = 135637740. Its totient is φ = 22964992.

The previous prime is 57412627. The next prime is 57412673. The reversal of 57412640 is 4621475.

It can be written as a sum of positive squares in 2 ways, for example, as 53523856 + 3888784 = 7316^2 + 1972^2 .

It is a super-2 number, since 2×57412640² = 6592422463539200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179255 + ... + 179574.

Almost surely, 2^57412640 is an apocalyptic number.

It is an amenable number.

57412640 is an abundant number, since it is smaller than the sum of its proper divisors (78225100).

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

57412640 is a wasteful number, since it uses less digits than its factorization.

57412640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358844 (or 358836 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 57412640 is about 7577.1129066419. The cubic root of 57412640 is about 385.7765626793.

The spelling of 57412640 in words is "fifty-seven million, four hundred twelve thousand, six hundred forty".