457788816 has 45 divisors (see below), whose sum is σ = 1281891819. Its totient is φ = 152510688.

The previous prime is 457788781. The next prime is 457788829. The reversal of 457788816 is 618887754.

It is a happy number.

The square root of 457788816 is 21396.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 255861 + ... + 257643.

Almost surely, 2^457788816 is an apocalyptic number.

457788816 is the 21396-th square number.

It is an amenable number.

457788816 is an abundant number, since it is smaller than the sum of its proper divisors (824103003).

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

457788816 is an equidigital number, since it uses as much as digits as its factorization.

457788816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580 (or 1788 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The cubic root of 457788816 is about 770.7053838594.

The spelling of 457788816 in words is "four hundred fifty-seven million, seven hundred eighty-eight thousand, eight hundred sixteen".