520042938 has 32 divisors (see below), whose sum is σ = 1056879360. Its totient is φ = 170564160.

The previous prime is 520042907. The next prime is 520042951. The reversal of 520042938 is 839240025.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520042899 and 520042908.

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, 148528 + ... + 151988.

It is an arithmetic number, because the mean of its divisors is an integer number (33027480).

Almost surely, 2^520042938 is an apocalyptic number.

520042938 is an abundant number, since it is smaller than the sum of its proper divisors (536836422).

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

520042938 is a wasteful number, since it uses less digits than its factorization.

520042938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 520042938 is about 22804.4499604792. The cubic root of 520042938 is about 804.1672846885.

The spelling of 520042938 in words is "five hundred twenty million, forty-two thousand, nine hundred thirty-eight".