457537428 has 36 divisors (see below), whose sum is σ = 1172402868. Its totient is φ = 150422400.

The previous prime is 457537397. The next prime is 457537441. The reversal of 457537428 is 824735754.

457537428 is a `hidden beast` number, since 4 + 575 + 3 + 74 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 213802884 + 243734544 = 14622^2 + 15612^2 .

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

It is a super-3 number, since 3×457537428³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

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, 84423 + ... + 89678.

Almost surely, 2^457537428 is an apocalyptic number.

It is an amenable number.

457537428 is an abundant number, since it is smaller than the sum of its proper divisors (714865440).

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

457537428 is a wasteful number, since it uses less digits than its factorization.

457537428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174184 (or 174179 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 457537428 is about 21390.1245438169. The cubic root of 457537428 is about 770.5642841839.

The spelling of 457537428 in words is "four hundred fifty-seven million, five hundred thirty-seven thousand, four hundred twenty-eight".