989041000448 has 84 divisors (see below), whose sum is σ = 1982411674488. Its totient is φ = 493438894080.

The previous prime is 989041000429. The next prime is 989041000483. The reversal of 989041000448 is 844000140989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716176718 + ... + 716178098.

It is an arithmetic number, because the mean of its divisors is an integer number (23600138982).

Almost surely, 2^989041000448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989041000448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991205837244).

989041000448 is an abundant number, since it is smaller than the sum of its proper divisors (993370674040).

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

989041000448 is an frugal number, since it uses more digits than its factorization.

989041000448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 989041000448 in words is "nine hundred eighty-nine billion, forty-one million, four hundred forty-eight", and thus it is an aban number.