457497920 has 56 divisors (see below), whose sum is σ = 1188463968. Its totient is φ = 166361600.

The previous prime is 457497919. The next prime is 457497923. The reversal of 457497920 is 29794754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457497923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61466 + ... + 68505.

Almost surely, 2^457497920 is an apocalyptic number.

457497920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457497920 is an abundant number, since it is smaller than the sum of its proper divisors (730966048).

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

457497920 is a wasteful number, since it uses less digits than its factorization.

457497920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129999 (or 129989 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 457497920 is about 21389.2010135956. The cubic root of 457497920 is about 770.5421043372.

The spelling of 457497920 in words is "four hundred fifty-seven million, four hundred ninety-seven thousand, nine hundred twenty".