457164140 has 24 divisors (see below), whose sum is σ = 960785280. Its totient is φ = 182724608.

The previous prime is 457164139. The next prime is 457164163. The reversal of 457164140 is 41461754.

It is a junction number, because it is equal to n+sod(n) for n = 457164097 and 457164106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20069 + ... + 36291.

It is an arithmetic number, because the mean of its divisors is an integer number (40032720).

Almost surely, 2^457164140 is an apocalyptic number.

It is an amenable number.

457164140 is an abundant number, since it is smaller than the sum of its proper divisors (503621140).

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

457164140 is a wasteful number, since it uses less digits than its factorization.

457164140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17641 (or 17639 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 457164140 is about 21381.3970544490. The cubic root of 457164140 is about 770.3546687921.

The spelling of 457164140 in words is "four hundred fifty-seven million, one hundred sixty-four thousand, one hundred forty".