522013680 has 160 divisors (see below), whose sum is σ = 1805598720. Its totient is φ = 138620160.

The previous prime is 522013673. The next prime is 522013691. The reversal of 522013680 is 86310225.

522013680 is a `hidden beast` number, since 522 + 0 + 136 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826965 + ... + 827595.

It is an arithmetic number, because the mean of its divisors is an integer number (11284992).

Almost surely, 2^522013680 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 522013680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902799360).

522013680 is an abundant number, since it is smaller than the sum of its proper divisors (1283585040).

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

522013680 is a wasteful number, since it uses less digits than its factorization.

522013680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 522013680 is about 22847.6186942972. The cubic root of 522013680 is about 805.1818217693.

The spelling of 522013680 in words is "five hundred twenty-two million, thirteen thousand, six hundred eighty".