8447099911040 has 128 divisors (see below), whose sum is σ = 23090094144000. Its totient is φ = 2894716643328.

The previous prime is 8447099911039. The next prime is 8447099911069. The reversal of 8447099911040 is 401199907448.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8615861 + ... + 9546059.

It is an arithmetic number, because the mean of its divisors is an integer number (180391360500).

Almost surely, 2^{8447099911040} is an apocalyptic number.

8447099911040 is a gapful number since it is divisible by the number (80) 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 8447099911040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11545047072000).

8447099911040 is an abundant number, since it is smaller than the sum of its proper divisors (14642994232960).

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

8447099911040 is a wasteful number, since it uses less digits than its factorization.

8447099911040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932252 (or 932240 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 8447099911040 in words is "eight trillion, four hundred forty-seven billion, ninety-nine million, nine hundred eleven thousand, forty".