457720038 has 32 divisors (see below), whose sum is σ = 1017878400. Its totient is φ = 152464968.

The previous prime is 457720037. The next prime is 457720049. The reversal of 457720038 is 830027754.

It is a junction number, because it is equal to n+sod(n) for n = 457719984 and 457720011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457720037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119233 + ... + 123011.

It is an arithmetic number, because the mean of its divisors is an integer number (31808700).

Almost surely, 2^457720038 is an apocalyptic number.

457720038 is an abundant number, since it is smaller than the sum of its proper divisors (560158362).

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

457720038 is a wasteful number, since it uses less digits than its factorization.

457720038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033 (or 6027 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 457720038 is about 21394.3926765870. The cubic root of 457720038 is about 770.6667851083. Note that the first 3 decimals are identical.

The spelling of 457720038 in words is "four hundred fifty-seven million, seven hundred twenty thousand, thirty-eight".