497816256 has 56 divisors (see below), whose sum is σ = 1505305600. Its totient is φ = 142232832.

The previous prime is 497816213. The next prime is 497816327. The reversal of 497816256 is 652618794.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 183856 + ... + 186543.

Almost surely, 2^497816256 is an apocalyptic number.

It is an amenable number.

497816256 is an abundant number, since it is smaller than the sum of its proper divisors (1007489344).

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

497816256 is a wasteful number, since it uses less digits than its factorization.

497816256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370421 (or 370411 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 497816256 is about 22311.7963418457. The cubic root of 497816256 is about 792.5433471830.

The spelling of 497816256 in words is "four hundred ninety-seven million, eight hundred sixteen thousand, two hundred fifty-six".