99840568000 has 112 divisors (see below), whose sum is σ = 247395455424. Its totient is φ = 39913574400.

The previous prime is 99840567919. The next prime is 99840568001. The reversal of 99840568000 is 86504899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99840568001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26502117 + ... + 26505883.

Almost surely, 2^99840568000 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 99840568000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123697727712).

99840568000 is an abundant number, since it is smaller than the sum of its proper divisors (147554887424).

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

99840568000 is a wasteful number, since it uses less digits than its factorization.

99840568000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107 (or 7087 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 99840568000 in words is "ninety-nine billion, eight hundred forty million, five hundred sixty-eight thousand".