520780816630912 has 64 divisors (see below), whose sum is σ = 1090865559706560. Its totient is φ = 247167795297280.

The previous prime is 520780816630849. The next prime is 520780816630961. The reversal of 520780816630912 is 219036618087025.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674788603 + ... + 675559930.

It is an arithmetic number, because the mean of its divisors is an integer number (17044774370415).

Almost surely, 2^{520780816630912} is an apocalyptic number.

It is an amenable number.

520780816630912 is an abundant number, since it is smaller than the sum of its proper divisors (570084743075648).

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

520780816630912 is a wasteful number, since it uses less digits than its factorization.

520780816630912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350348701 (or 1350348689 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 520780816630912 in words is "five hundred twenty trillion, seven hundred eighty billion, eight hundred sixteen million, six hundred thirty thousand, nine hundred twelve".