9889371474240 has 448 divisors, whose sum is σ = 32979208624128. Its totient is φ = 2507496652800.

The previous prime is 9889371474167. The next prime is 9889371474251. The reversal of 9889371474240 is 424741739889.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2027754682 + ... + 2027759558.

Almost surely, 2^{9889371474240} 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 9889371474240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16489604312064).

9889371474240 is an abundant number, since it is smaller than the sum of its proper divisors (23089837149888).

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

9889371474240 is a wasteful number, since it uses less digits than its factorization.

9889371474240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106 (or 6096 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 9889371474240 in words is "nine trillion, eight hundred eighty-nine billion, three hundred seventy-one million, four hundred seventy-four thousand, two hundred forty".