128052026388 has 192 divisors, whose sum is σ = 392879773440. Its totient is φ = 35556710400.

The previous prime is 128052026387. The next prime is 128052026419. The reversal of 128052026388 is 883620250821.

128052026388 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 5 + 2 + 0 + 2 + 638 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128052026381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2085568 + ... + 2146088.

It is an arithmetic number, because the mean of its divisors is an integer number (2046248820).

Almost surely, 2^128052026388 is an apocalyptic number.

128052026388 is a gapful number since it is divisible by the number (18) 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 128052026388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196439886720).

128052026388 is an abundant number, since it is smaller than the sum of its proper divisors (264827747052).

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

128052026388 is a wasteful number, since it uses less digits than its factorization.

128052026388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60695 (or 60687 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 128052026388 in words is "one hundred twenty-eight billion, fifty-two million, twenty-six thousand, three hundred eighty-eight".