99326443944 has 384 divisors, whose sum is σ = 328775811840. Its totient is φ = 24338755584.

The previous prime is 99326443903. The next prime is 99326443967. The reversal of 99326443944 is 44934462399.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41785284 + ... + 41787660.

It is an arithmetic number, because the mean of its divisors is an integer number (856187010).

Almost surely, 2^99326443944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99326443944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164387905920).

99326443944 is an abundant number, since it is smaller than the sum of its proper divisors (229449367896).

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

99326443944 is a wasteful number, since it uses less digits than its factorization.

99326443944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2474 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 57.

The spelling of 99326443944 in words is "ninety-nine billion, three hundred twenty-six million, four hundred forty-three thousand, nine hundred forty-four".