520429992 has 32 divisors (see below), whose sum is σ = 1315699200. Its totient is φ = 171526784.

The previous prime is 520429991. The next prime is 520429999. The reversal of 520429992 is 299924025.

It is not an unprimeable number, because it can be changed into a prime (520429991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119688 + ... + 123959.

It is an arithmetic number, because the mean of its divisors is an integer number (41115600).

Almost surely, 2^520429992 is an apocalyptic number.

It is an amenable number.

520429992 is an abundant number, since it is smaller than the sum of its proper divisors (795269208).

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

520429992 is a wasteful number, since it uses less digits than its factorization.

520429992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243745 (or 243741 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 520429992 is about 22812.9347520217. The cubic root of 520429992 is about 804.3667419214.

The spelling of 520429992 in words is "five hundred twenty million, four hundred twenty-nine thousand, nine hundred ninety-two".