520342662 has 64 divisors (see below), whose sum is σ = 1266508800. Its totient is φ = 142192512.

The previous prime is 520342643. The next prime is 520342673. The reversal of 520342662 is 266243025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41838 + ... + 52830.

It is an arithmetic number, because the mean of its divisors is an integer number (19789200).

Almost surely, 2^520342662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520342662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633254400).

520342662 is an abundant number, since it is smaller than the sum of its proper divisors (746166138).

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

520342662 is a wasteful number, since it uses less digits than its factorization.

520342662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042 (or 11028 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 520342662 is about 22811.0206260044. The cubic root of 520342662 is about 804.3217475397.

Adding to 520342662 its reverse (266243025), we get a palindrome (786585687).

The spelling of 520342662 in words is "five hundred twenty million, three hundred forty-two thousand, six hundred sixty-two".