99391440596 has 24 divisors (see below), whose sum is σ = 198789788736. Its totient is φ = 42594851520.

The previous prime is 99391440583. The next prime is 99391440677. The reversal of 99391440596 is 69504419399.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 1241831 + ... + 1319441.

It is an arithmetic number, because the mean of its divisors is an integer number (8282907864).

Almost surely, 2^99391440596 is an apocalyptic number.

It is an amenable number.

99391440596 is an abundant number, since it is smaller than the sum of its proper divisors (99398348140).

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

99391440596 is a wasteful number, since it uses less digits than its factorization.

99391440596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123359 (or 123357 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 59.

The spelling of 99391440596 in words is "ninety-nine billion, three hundred ninety-one million, four hundred forty thousand, five hundred ninety-six".