989438976000 has 1120 divisors, whose sum is σ = 3760425377280. Its totient is φ = 258785280000.

The previous prime is 989438975989. The next prime is 989438976023. The reversal of 989438976000 is 679834989.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6552575925 + ... + 6552576075.

Almost surely, 2^989438976000 is an apocalyptic number.

989438976000 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 989438976000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880212688640).

989438976000 is an abundant number, since it is smaller than the sum of its proper divisors (2770986401280).

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

989438976000 is an equidigital number, since it uses as much as digits as its factorization.

989438976000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 989438976000 in words is "nine hundred eighty-nine billion, four hundred thirty-eight million, nine hundred seventy-six thousand".