497123520 has 224 divisors, whose sum is σ = 1695955968. Its totient is φ = 122929152.

The previous prime is 497123513. The next prime is 497123551. The reversal of 497123520 is 25321794.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1354377 + ... + 1354743.

It is an arithmetic number, because the mean of its divisors is an integer number (7571232).

Almost surely, 2^497123520 is an apocalyptic number.

497123520 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 497123520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847977984).

497123520 is an abundant number, since it is smaller than the sum of its proper divisors (1198832448).

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

497123520 is a wasteful number, since it uses less digits than its factorization.

497123520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 497123520 is about 22296.2669521155. The cubic root of 497123520 is about 792.1755554105.

The spelling of 497123520 in words is "four hundred ninety-seven million, one hundred twenty-three thousand, five hundred twenty".