522530421117440 has 80 divisors (see below), whose sum is σ = 1296049996743480. Its totient is φ = 201804852264960.

The previous prime is 522530421117401. The next prime is 522530421117449. The reversal of 522530421117440 is 44711124035225.

It can be written as a sum of positive squares in 4 ways, for example, as 510118723012864 + 12411698104576 = 22585808^2 + 3523024^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (522530421117449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519123101 + ... + 3519271580.

Almost surely, 2^{522530421117440} is an apocalyptic number.

It is an amenable number.

522530421117440 is an abundant number, since it is smaller than the sum of its proper divisors (773519575626040).

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

522530421117440 is an equidigital number, since it uses as much as digits as its factorization.

522530421117440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038394733 (or 7038394717 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 522530421117440 in words is "five hundred twenty-two trillion, five hundred thirty billion, four hundred twenty-one million, one hundred seventeen thousand, four hundred forty".