497579520 has 160 divisors (see below), whose sum is σ = 1616110848. Its totient is φ = 130572288.

The previous prime is 497579519. The next prime is 497579557. The reversal of 497579520 is 25975794.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a self number, because there is not a number n which added to its sum of digits gives 497579520.

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, 514077 + ... + 515043.

Almost surely, 2^497579520 is an apocalyptic number.

497579520 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 497579520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808055424).

497579520 is an abundant number, since it is smaller than the sum of its proper divisors (1118531328).

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

497579520 is an equidigital number, since it uses as much as digits as its factorization.

497579520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 497579520 is about 22306.4905352680. The cubic root of 497579520 is about 792.4176962098.

The spelling of 497579520 in words is "four hundred ninety-seven million, five hundred seventy-nine thousand, five hundred twenty".