522764940 has 24 divisors (see below), whose sum is σ = 1463742000. Its totient is φ = 139403968.

The previous prime is 522764927. The next prime is 522764947. The reversal of 522764940 is 49467225.

It is not an unprimeable number, because it can be changed into a prime (522764947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356315 + ... + 4356434.

It is an arithmetic number, because the mean of its divisors is an integer number (60989250).

Almost surely, 2^522764940 is an apocalyptic number.

It is an amenable number.

522764940 is an abundant number, since it is smaller than the sum of its proper divisors (940977060).

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

522764940 is a wasteful number, since it uses less digits than its factorization.

522764940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712761 (or 8712759 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 522764940 is about 22864.0534464036. The cubic root of 522764940 is about 805.5678978230.

The spelling of 522764940 in words is "five hundred twenty-two million, seven hundred sixty-four thousand, nine hundred forty".