520150816 has 24 divisors (see below), whose sum is σ = 1025207820. Its totient is φ = 259780608.

The previous prime is 520150801. The next prime is 520150823. The reversal of 520150816 is 618051025.

It can be written as a sum of positive squares in 2 ways, for example, as 309900816 + 210250000 = 17604^2 + 14500^2 .

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 3 ways as a sum of consecutive naturals, for example, 20980 + ... + 38476.

Almost surely, 2^520150816 is an apocalyptic number.

It is an amenable number.

520150816 is a deficient number, since it is larger than the sum of its proper divisors (505057004).

520150816 is a wasteful number, since it uses less digits than its factorization.

520150816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18436 (or 18428 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 520150816 is about 22806.8151218008. The cubic root of 520150816 is about 804.2228864821. Note that the first 3 decimals are identical.

The spelling of 520150816 in words is "five hundred twenty million, one hundred fifty thousand, eight hundred sixteen".