457320660 has 48 divisors (see below), whose sum is σ = 1301500032. Its totient is φ = 119952000.

The previous prime is 457320631. The next prime is 457320701. The reversal of 457320660 is 66023754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58816 + ... + 66135.

It is an arithmetic number, because the mean of its divisors is an integer number (27114584).

Almost surely, 2^457320660 is an apocalyptic number.

It is an amenable number.

457320660 is an abundant number, since it is smaller than the sum of its proper divisors (844179372).

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

457320660 is a wasteful number, since it uses less digits than its factorization.

457320660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125024 (or 125022 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 457320660 is about 21385.0569323535. The cubic root of 457320660 is about 770.4425746041.

The spelling of 457320660 in words is "four hundred fifty-seven million, three hundred twenty thousand, six hundred sixty".