8989908444000 has 2592 divisors, whose sum is σ = 38590221852000. Its totient is φ = 2050811136000.

The previous prime is 8989908443927. The next prime is 8989908444007. The reversal of 8989908444000 is 4448099898.

It is a tau number, because it is divible by the number of its divisors (2592).

It is a super-2 number, since 2×8989908444000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989908444007) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 60334955926 + ... + 60334956074.

It is an arithmetic number, because the mean of its divisors is an integer number (14888202875).

Almost surely, 2^{8989908444000} is an apocalyptic number.

8989908444000 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 8989908444000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19295110926000).

8989908444000 is an abundant number, since it is smaller than the sum of its proper divisors (29600313408000).

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

8989908444000 is a wasteful number, since it uses less digits than its factorization.

8989908444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 8989908444000 in words is "eight trillion, nine hundred eighty-nine billion, nine hundred eight million, four hundred forty-four thousand".