522447274650 has 48 divisors (see below), whose sum is σ = 1480764849984. Its totient is φ = 119416519680.

The previous prime is 522447274603. The next prime is 522447274651. The reversal of 522447274650 is 56472744225.

It is a self number, because there is not a number n which added to its sum of digits gives 522447274650.

It is not an unprimeable number, because it can be changed into a prime (522447274651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 248783367 + ... + 248785466.

It is an arithmetic number, because the mean of its divisors is an integer number (30849267708).

Almost surely, 2^522447274650 is an apocalyptic number.

522447274650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

522447274650 is an abundant number, since it is smaller than the sum of its proper divisors (958317575334).

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

522447274650 is a wasteful number, since it uses less digits than its factorization.

522447274650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497568855 (or 497568850 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 48.

The spelling of 522447274650 in words is "five hundred twenty-two billion, four hundred forty-seven million, two hundred seventy-four thousand, six hundred fifty".