5217609640920 has 64 divisors (see below), whose sum is σ = 15886453259520. Its totient is φ = 1370595963264.

The previous prime is 5217609640891. The next prime is 5217609640963. The reversal of 5217609640920 is 290469067125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324470172 + ... + 324486251.

It is an arithmetic number, because the mean of its divisors is an integer number (248225832180).

Almost surely, 2^{5217609640920} is an apocalyptic number.

It is an amenable number.

5217609640920 is an abundant number, since it is smaller than the sum of its proper divisors (10668843618600).

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

5217609640920 is a wasteful number, since it uses less digits than its factorization.

5217609640920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648956504 (or 648956500 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 5217609640920 in words is "five trillion, two hundred seventeen billion, six hundred nine million, six hundred forty thousand, nine hundred twenty".