457197816 has 64 divisors (see below), whose sum is σ = 1168087680. Its totient is φ = 149086080.

The previous prime is 457197809. The next prime is 457197821. The reversal of 457197816 is 618791754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251551 + ... + 253361.

It is an arithmetic number, because the mean of its divisors is an integer number (18251370).

Almost surely, 2^457197816 is an apocalyptic number.

It is an amenable number.

457197816 is an abundant number, since it is smaller than the sum of its proper divisors (710889864).

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

457197816 is a wasteful number, since it uses less digits than its factorization.

457197816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2040 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

The square root of 457197816 is about 21382.1845469540. The cubic root of 457197816 is about 770.3735838270.

It can be divided in two parts, 45719 and 7816, that added together give a palindrome (53535).

The spelling of 457197816 in words is "four hundred fifty-seven million, one hundred ninety-seven thousand, eight hundred sixteen".