8539442598920 has 64 divisors (see below), whose sum is σ = 19350616824000. Its totient is φ = 3391515070720.

The previous prime is 8539442598893. The next prime is 8539442598949. The reversal of 8539442598920 is 298952449358.

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 15 ways as a sum of consecutive naturals, for example, 2765531 + ... + 4972629.

It is an arithmetic number, because the mean of its divisors is an integer number (302353387875).

Almost surely, 2^{8539442598920} is an apocalyptic number.

It is an amenable number.

8539442598920 is an abundant number, since it is smaller than the sum of its proper divisors (10811174225080).

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

8539442598920 is a wasteful number, since it uses less digits than its factorization.

8539442598920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207798 (or 2207794 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 8539442598920 in words is "eight trillion, five hundred thirty-nine billion, four hundred forty-two million, five hundred ninety-eight thousand, nine hundred twenty".