522130420240 has 120 divisors (see below), whose sum is σ = 1436987573784. Its totient is φ = 175260518400.

The previous prime is 522130420213. The next prime is 522130420241. The reversal of 522130420240 is 42024031225.

It can be written as a sum of positive squares in 4 ways, for example, as 725117184 + 521405303056 = 26928^2 + 722084^2 .

It is not an unprimeable number, because it can be changed into a prime (522130420241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1948741 + ... + 2200420.

Almost surely, 2^522130420240 is an apocalyptic number.

It is an amenable number.

522130420240 is an abundant number, since it is smaller than the sum of its proper divisors (914857153544).

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

522130420240 is a wasteful number, since it uses less digits than its factorization.

522130420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149209 (or 4149192 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 522130420240 its reverse (42024031225), we get a palindrome (564154451465).

The spelling of 522130420240 in words is "five hundred twenty-two billion, one hundred thirty million, four hundred twenty thousand, two hundred forty".