522788480 has 32 divisors (see below), whose sum is σ = 1249792740. Its totient is φ = 209115136.

The previous prime is 522788479. The next prime is 522788521. The reversal of 522788480 is 84887225.

It can be written as a sum of positive squares in 2 ways, for example, as 471063616 + 51724864 = 21704^2 + 7192^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 407789 + ... + 409068.

Almost surely, 2^522788480 is an apocalyptic number.

It is an amenable number.

522788480 is an abundant number, since it is smaller than the sum of its proper divisors (727004260).

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

522788480 is an equidigital number, since it uses as much as digits as its factorization.

522788480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816876 (or 816864 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 522788480 is about 22864.5682224703. The cubic root of 522788480 is about 805.5799891616.

The spelling of 522788480 in words is "five hundred twenty-two million, seven hundred eighty-eight thousand, four hundred eighty".