99984940000 has 240 divisors, whose sum is σ = 272923136640. Its totient is φ = 35737280000.

The previous prime is 99984939949. The next prime is 99984940007. The reversal of 99984940000 is 4948999.

It is a self number, because there is not a number n which added to its sum of digits gives 99984940000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99984940007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12976149 + ... + 12983851.

It is an arithmetic number, because the mean of its divisors is an integer number (1137179736).

Almost surely, 2^99984940000 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 99984940000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136461568320).

99984940000 is an abundant number, since it is smaller than the sum of its proper divisors (172938196640).

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

99984940000 is a wasteful number, since it uses less digits than its factorization.

99984940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 99984940000 in words is "ninety-nine billion, nine hundred eighty-four million, nine hundred forty thousand".