520390116 has 48 divisors (see below), whose sum is σ = 1359046080. Its totient is φ = 172192320.

The previous prime is 520390109. The next prime is 520390127. The reversal of 520390116 is 611093025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 520390116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2790 + ... + 32381.

It is an arithmetic number, because the mean of its divisors is an integer number (28313460).

Almost surely, 2^520390116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520390116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679523040).

520390116 is an abundant number, since it is smaller than the sum of its proper divisors (838655964).

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

520390116 is a wasteful number, since it uses less digits than its factorization.

520390116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35321 (or 35313 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 520390116 is about 22812.0607574151. The cubic root of 520390116 is about 804.3461975331.

The spelling of 520390116 in words is "five hundred twenty million, three hundred ninety thousand, one hundred sixteen".