520064673312 has 48 divisors (see below), whose sum is σ = 1366168773312. Its totient is φ = 173228033280.

The previous prime is 520064673299. The next prime is 520064673343. The reversal of 520064673312 is 213376460025.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850239 + ... + 2112702.

It is an arithmetic number, because the mean of its divisors is an integer number (28461849444).

Almost surely, 2^520064673312 is an apocalyptic number.

It is an amenable number.

520064673312 is an abundant number, since it is smaller than the sum of its proper divisors (846104100000).

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

520064673312 is a wasteful number, since it uses less digits than its factorization.

520064673312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964321 (or 3964313 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 520064673312 in words is "five hundred twenty billion, sixty-four million, six hundred seventy-three thousand, three hundred twelve".