128525422592 has 312 divisors, whose sum is σ = 320023025280. Its totient is φ = 51279298560.

The previous prime is 128525422591. The next prime is 128525422681. The reversal of 128525422592 is 295224525821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128525422591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474263417 + ... + 474263687.

Almost surely, 2^128525422592 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 128525422592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160011512640).

128525422592 is an abundant number, since it is smaller than the sum of its proper divisors (191497602688).

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

128525422592 is a wasteful number, since it uses less digits than its factorization.

128525422592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 436 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The spelling of 128525422592 in words is "one hundred twenty-eight billion, five hundred twenty-five million, four hundred twenty-two thousand, five hundred ninety-two".