522042563540 has 12 divisors (see below), whose sum is σ = 1096289383476. Its totient is φ = 208817025408.

The previous prime is 522042563531. The next prime is 522042563563. The reversal of 522042563540 is 45365240225.

It can be written as a sum of positive squares in 2 ways, for example, as 61188948496 + 460853615044 = 247364^2 + 678862^2 .

It is a super-3 number, since 3×522042563540³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522042563494 and 522042563503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13051064069 + ... + 13051064108.

It is an arithmetic number, because the mean of its divisors is an integer number (91357448623).

Almost surely, 2^522042563540 is an apocalyptic number.

It is an amenable number.

522042563540 is an abundant number, since it is smaller than the sum of its proper divisors (574246819936).

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

522042563540 is a wasteful number, since it uses less digits than its factorization.

522042563540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26102128186 (or 26102128184 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 522042563540 in words is "five hundred twenty-two billion, forty-two million, five hundred sixty-three thousand, five hundred forty".