9980143488 has 320 divisors, whose sum is σ = 35944840800. Its totient is φ = 2683404288.

The previous prime is 9980143421. The next prime is 9980143493. The reversal of 9980143488 is 8843410899.

It is a super-2 number, since 2×9980143488² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1229748 + ... + 1237836.

Almost surely, 2^9980143488 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 9980143488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17972420400).

9980143488 is an abundant number, since it is smaller than the sum of its proper divisors (25964697312).

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

9980143488 is a wasteful number, since it uses less digits than its factorization.

9980143488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139 (or 8118 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 9980143488 is about 99900.6681058740. The cubic root of 9980143488 is about 2153.0077598770.

The spelling of 9980143488 in words is "nine billion, nine hundred eighty million, one hundred forty-three thousand, four hundred eighty-eight".