99941676720840 has 384 divisors, whose sum is σ = 334241568460800. Its totient is φ = 25883289600000.

The previous prime is 99941676720763. The next prime is 99941676720863. The reversal of 99941676720840 is 4802767614999.

99941676720840 is a `hidden beast` number, since 9 + 99 + 416 + 7 + 67 + 20 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7887427705 + ... + 7887440375.

It is an arithmetic number, because the mean of its divisors is an integer number (870420751200).

Almost surely, 2^{99941676720840} is an apocalyptic number.

99941676720840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99941676720840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167120784230400).

99941676720840 is an abundant number, since it is smaller than the sum of its proper divisors (234299891739960).

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

99941676720840 is a wasteful number, since it uses less digits than its factorization.

99941676720840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109 (or 15102 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 72.

The spelling of 99941676720840 in words is "ninety-nine trillion, nine hundred forty-one billion, six hundred seventy-six million, seven hundred twenty thousand, eight hundred forty".