457157704644 has 36 divisors (see below), whose sum is σ = 1155709935744. Its totient is φ = 152370492912.

The previous prime is 457157704639. The next prime is 457157704673. The reversal of 457157704644 is 446407751754.

457157704644 is a `hidden beast` number, since 4 + 5 + 7 + 1 + 577 + 0 + 4 + 64 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278232 + ... + 995855.

Almost surely, 2^457157704644 is an apocalyptic number.

It is an amenable number.

457157704644 is an abundant number, since it is smaller than the sum of its proper divisors (698552231100).

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

457157704644 is a wasteful number, since it uses less digits than its factorization.

457157704644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284064 (or 1284059 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 54.

The spelling of 457157704644 in words is "four hundred fifty-seven billion, one hundred fifty-seven million, seven hundred four thousand, six hundred forty-four".