497811320 has 64 divisors (see below), whose sum is σ = 1170050400. Its totient is φ = 190425600.

The previous prime is 497811319. The next prime is 497811331. The reversal of 497811320 is 23118794.

It is a super-2 number, since 2×497811320² = 495632220640284800, which contains 22 as substring.

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, 84470 + ... + 90170.

Almost surely, 2^497811320 is an apocalyptic number.

497811320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497811320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585025200).

497811320 is an abundant number, since it is smaller than the sum of its proper divisors (672239080).

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

497811320 is a wasteful number, since it uses less digits than its factorization.

497811320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 497811320 is about 22311.6857274389. The cubic root of 497811320 is about 792.5407277380.

The spelling of 497811320 in words is "four hundred ninety-seven million, eight hundred eleven thousand, three hundred twenty".