5220145680684 has 24 divisors (see below), whose sum is σ = 13287643551168. Its totient is φ = 1581862327440.

The previous prime is 5220145680653. The next prime is 5220145680697. The reversal of 5220145680684 is 4860865410225.

It is a happy number.

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, 19773278962 + ... + 19773279225.

It is an arithmetic number, because the mean of its divisors is an integer number (553651814632).

Almost surely, 2^{5220145680684} is an apocalyptic number.

It is an amenable number.

5220145680684 is an abundant number, since it is smaller than the sum of its proper divisors (8067497870484).

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

5220145680684 is a wasteful number, since it uses less digits than its factorization.

5220145680684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39546558205 (or 39546558203 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 5220145680684 in words is "five trillion, two hundred twenty billion, one hundred forty-five million, six hundred eighty thousand, six hundred eighty-four".