520001208808 has 16 divisors (see below), whose sum is σ = 975597894180. Its totient is φ = 259841770368.

The previous prime is 520001208703. The next prime is 520001208827. The reversal of 520001208808 is 808802100025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519261477604 + 739731204 = 720598^2 + 27198^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19840341 + ... + 19866532.

Almost surely, 2^520001208808 is an apocalyptic number.

It is an amenable number.

520001208808 is a deficient number, since it is larger than the sum of its proper divisors (455596685372).

520001208808 is a wasteful number, since it uses less digits than its factorization.

520001208808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39708516 (or 39708512 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The spelling of 520001208808 in words is "five hundred twenty billion, one million, two hundred eight thousand, eight hundred eight".