520312612424 has 64 divisors (see below), whose sum is σ = 1075123558080. Its totient is φ = 234096480000.

The previous prime is 520312612423. The next prime is 520312612433. The reversal of 520312612424 is 424216213025.

It is a super-3 number, since 3×520312612424³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (520312612423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43198547 + ... + 43210589.

It is an arithmetic number, because the mean of its divisors is an integer number (16798805595).

Almost surely, 2^520312612424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520312612424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537561779040).

520312612424 is an abundant number, since it is smaller than the sum of its proper divisors (554810945656).

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

520312612424 is a wasteful number, since it uses less digits than its factorization.

520312612424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17022 (or 17018 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 520312612424 its reverse (424216213025), we get a palindrome (944528825449).

The spelling of 520312612424 in words is "five hundred twenty billion, three hundred twelve million, six hundred twelve thousand, four hundred twenty-four".