99362832640 has 72 divisors (see below), whose sum is σ = 238890639960. Its totient is φ = 39597244416.

The previous prime is 99362832623. The next prime is 99362832671. The reversal of 99362832640 is 4623826399.

It can be written as a sum of positive squares in 4 ways, for example, as 92467456 + 99270365184 = 9616^2 + 315072^2 .

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 7 ways as a sum of consecutive naturals, for example, 200032 + ... + 488608.

It is an arithmetic number, because the mean of its divisors is an integer number (3317925555).

Almost surely, 2^99362832640 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 99362832640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119445319980).

99362832640 is an abundant number, since it is smaller than the sum of its proper divisors (139527807320).

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

99362832640 is a wasteful number, since it uses less digits than its factorization.

99362832640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288867 (or 288853 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 99362832640 in words is "ninety-nine billion, three hundred sixty-two million, eight hundred thirty-two thousand, six hundred forty".