520342330406352 has 40 divisors (see below), whose sum is σ = 1347425843705760. Its totient is φ = 173033487749760.

The previous prime is 520342330406333. The next prime is 520342330406359. The reversal of 520342330406352 is 253604033243025.

It is a super-2 number, since 2×520342330406352² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520342330406359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12936095899 + ... + 12936136122.

It is an arithmetic number, because the mean of its divisors is an integer number (33685646092644).

Almost surely, 2^{520342330406352} is an apocalyptic number.

It is an amenable number.

520342330406352 is an abundant number, since it is smaller than the sum of its proper divisors (827083513299408).

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

520342330406352 is a wasteful number, since it uses less digits than its factorization.

520342330406352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25872232451 (or 25872232445 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 520342330406352 its reverse (253604033243025), we get a palindrome (773946363649377).

The spelling of 520342330406352 in words is "five hundred twenty trillion, three hundred forty-two billion, three hundred thirty million, four hundred six thousand, three hundred fifty-two".