497040256 has 16 divisors (see below), whose sum is σ = 990197640. Its totient is φ = 248520064.

The previous prime is 497040239. The next prime is 497040293. The reversal of 497040256 is 652040794.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941436 + ... + 1941691.

Almost surely, 2^497040256 is an apocalyptic number.

It is an amenable number.

497040256 is a deficient number, since it is larger than the sum of its proper divisors (493157384).

497040256 is an equidigital number, since it uses as much as digits as its factorization.

497040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883141 (or 3883129 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 497040256 is about 22294.3996555189. The cubic root of 497040256 is about 792.1313253645.

The spelling of 497040256 in words is "four hundred ninety-seven million, forty thousand, two hundred fifty-six".