457565994 has 12 divisors (see below), whose sum is σ = 991393026. Its totient is φ = 152521992.

The previous prime is 457565993. The next prime is 457566007. The reversal of 457565994 is 499565754.

457565994 is a `hidden beast` number, since 4 + 575 + 65 + 9 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 416772225 + 40793769 = 20415^2 + 6387^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 457565994.

It is not an unprimeable number, because it can be changed into a prime (457565993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12710149 + ... + 12710184.

Almost surely, 2^457565994 is an apocalyptic number.

457565994 is an abundant number, since it is smaller than the sum of its proper divisors (533827032).

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

457565994 is a wasteful number, since it uses less digits than its factorization.

457565994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25420341 (or 25420338 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 457565994 is about 21390.7922714424. The cubic root of 457565994 is about 770.5803203811.

The spelling of 457565994 in words is "four hundred fifty-seven million, five hundred sixty-five thousand, nine hundred ninety-four".