128089972080 has 800 divisors, whose sum is σ = 550998733824. Its totient is φ = 26907697152.

The previous prime is 128089972067. The next prime is 128089972117. The reversal of 128089972080 is 80279980821.

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 159 ways as a sum of consecutive naturals, for example, 33156229 + ... + 33160091.

Almost surely, 2^128089972080 is an apocalyptic number.

128089972080 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 128089972080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275499366912).

128089972080 is an abundant number, since it is smaller than the sum of its proper divisors (422908761744).

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

128089972080 is a wasteful number, since it uses less digits than its factorization.

128089972080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 128089972080 in words is "one hundred twenty-eight billion, eighty-nine million, nine hundred seventy-two thousand, eighty".