457024420 has 24 divisors (see below), whose sum is σ = 974078784. Its totient is φ = 180080736.

The previous prime is 457024409. The next prime is 457024429. The reversal of 457024420 is 24420754.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (457024429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169192 + ... + 171871.

It is an arithmetic number, because the mean of its divisors is an integer number (40586616).

Almost surely, 2^457024420 is an apocalyptic number.

It is an amenable number.

457024420 is an abundant number, since it is smaller than the sum of its proper divisors (517054364).

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

457024420 is a wasteful number, since it uses less digits than its factorization.

457024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341139 (or 341137 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 457024420 is about 21378.1294785114. The cubic root of 457024420 is about 770.2761813578.

The spelling of 457024420 in words is "four hundred fifty-seven million, twenty-four thousand, four hundred twenty".