128098839960 has 1152 divisors, whose sum is σ = 573147731520. Its totient is φ = 25416695808.

The previous prime is 128098839907. The next prime is 128098839983. The reversal of 128098839960 is 69938890821.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 105257272 + ... + 105258488.

Almost surely, 2^128098839960 is an apocalyptic number.

128098839960 is a gapful number since it is divisible by the number (10) 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 128098839960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286573865760).

128098839960 is an abundant number, since it is smaller than the sum of its proper divisors (445048891560).

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

128098839960 is a wasteful number, since it uses less digits than its factorization.

128098839960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 63.

The spelling of 128098839960 in words is "one hundred twenty-eight billion, ninety-eight million, eight hundred thirty-nine thousand, nine hundred sixty".