522462540 has 48 divisors (see below), whose sum is σ = 1472738400. Its totient is φ = 138385920.

The previous prime is 522462509. The next prime is 522462553. The reversal of 522462540 is 45264225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 522462498 and 522462507.

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 15 ways as a sum of consecutive naturals, for example, 20281 + ... + 38160.

It is an arithmetic number, because the mean of its divisors is an integer number (30682050).

Almost surely, 2^522462540 is an apocalyptic number.

It is an amenable number.

522462540 is an abundant number, since it is smaller than the sum of its proper divisors (950275860).

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

522462540 is a wasteful number, since it uses less digits than its factorization.

522462540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58602 (or 58600 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 522462540 is about 22857.4394891466. The cubic root of 522462540 is about 805.4125375449.

The spelling of 522462540 in words is "five hundred twenty-two million, four hundred sixty-two thousand, five hundred forty".