457507420 has 24 divisors (see below), whose sum is σ = 966891744. Its totient is φ = 181836096.

The previous prime is 457507409. The next prime is 457507439. The reversal of 457507420 is 24705754.

It is a congruent number.

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, 69712 + ... + 75991.

It is an arithmetic number, because the mean of its divisors is an integer number (40287156).

Almost surely, 2^457507420 is an apocalyptic number.

It is an amenable number.

457507420 is an abundant number, since it is smaller than the sum of its proper divisors (509384324).

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

457507420 is a wasteful number, since it uses less digits than its factorization.

457507420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145869 (or 145867 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 457507420 is about 21389.4230871242. The cubic root of 457507420 is about 770.5474377671.

The spelling of 457507420 in words is "four hundred fifty-seven million, five hundred seven thousand, four hundred twenty".