522990260 has 96 divisors (see below), whose sum is σ = 1230453504. Its totient is φ = 185472000.

The previous prime is 522990253. The next prime is 522990289. The reversal of 522990260 is 62099225.

It is a self number, because there is not a number n which added to its sum of digits gives 522990260.

It is a congruent number.

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, 756515 + ... + 757205.

It is an arithmetic number, because the mean of its divisors is an integer number (12817224).

Almost surely, 2^522990260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522990260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615226752).

522990260 is an abundant number, since it is smaller than the sum of its proper divisors (707463244).

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

522990260 is a wasteful number, since it uses less digits than its factorization.

With its successor (522990261) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (823).

With its successor (522990261) it forms an eRAP, since the sums of their prime factors are consecutive (825 and 826).

522990260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 522990260 is about 22868.9803008355. The cubic root of 522990260 is about 805.6836187223.

The spelling of 522990260 in words is "five hundred twenty-two million, nine hundred ninety thousand, two hundred sixty".