520644332 has 12 divisors (see below), whose sum is σ = 981214416. Its totient is φ = 240297360.

The previous prime is 520644323. The next prime is 520644361. The reversal of 520644332 is 233446025.

It is a junction number, because it is equal to n+sod(n) for n = 520644295 and 520644304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006144 + ... + 5006247.

It is an arithmetic number, because the mean of its divisors is an integer number (81767868).

Almost surely, 2^520644332 is an apocalyptic number.

520644332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520644332 is a deficient number, since it is larger than the sum of its proper divisors (460570084).

520644332 is a wasteful number, since it uses less digits than its factorization.

520644332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012408 (or 10012406 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 520644332 is about 22817.6320419100. The cubic root of 520644332 is about 804.4771533803.

The spelling of 520644332 in words is "five hundred twenty million, six hundred forty-four thousand, three hundred thirty-two".