520344402 has 32 divisors (see below), whose sum is σ = 1056583680. Its totient is φ = 170810640.

The previous prime is 520344373. The next prime is 520344413. The reversal of 520344402 is 204443025.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218277 + ... + 220647.

It is an arithmetic number, because the mean of its divisors is an integer number (33018240).

Almost surely, 2^520344402 is an apocalyptic number.

520344402 is an abundant number, since it is smaller than the sum of its proper divisors (536239278).

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

520344402 is a wasteful number, since it uses less digits than its factorization.

520344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 520344402 is about 22811.0587654322. The cubic root of 520344402 is about 804.3226440760.

Adding to 520344402 its reverse (204443025), we get a palindrome (724787427).

The spelling of 520344402 in words is "five hundred twenty million, three hundred forty-four thousand, four hundred two".