8979981926400 has 1080 divisors, whose sum is σ = 34737965627904. Its totient is φ = 2288988979200.

The previous prime is 8979981926389. The next prime is 8979981926407. The reversal of 8979981926400 is 46291899798.

It is a tau number, because it is divible by the number of its divisors (1080).

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

It is not an unprimeable number, because it can be changed into a prime (8979981926407) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6104677665 + ... + 6104679135.

Almost surely, 2^{8979981926400} is an apocalyptic number.

8979981926400 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 8979981926400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17368982813952).

8979981926400 is an abundant number, since it is smaller than the sum of its proper divisors (25757983701504).

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

8979981926400 is an equidigital number, since it uses as much as digits as its factorization.

8979981926400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 72.

The spelling of 8979981926400 in words is "eight trillion, nine hundred seventy-nine billion, nine hundred eighty-one million, nine hundred twenty-six thousand, four hundred".