128550888288 has 288 divisors, whose sum is σ = 394966720512. Its totient is φ = 39544243200.

The previous prime is 128550888283. The next prime is 128550888299. The reversal of 128550888288 is 882888055821.

128550888288 is a `hidden beast` number, since 1 + 28 + 5 + 508 + 88 + 28 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128550888283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86449081 + ... + 86450567.

It is an arithmetic number, because the mean of its divisors is an integer number (1371412224).

Almost surely, 2^128550888288 is an apocalyptic number.

128550888288 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 128550888288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197483360256).

128550888288 is an abundant number, since it is smaller than the sum of its proper divisors (266415832224).

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

128550888288 is a wasteful number, since it uses less digits than its factorization.

128550888288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 26214400, while the sum is 63.

The spelling of 128550888288 in words is "one hundred twenty-eight billion, five hundred fifty million, eight hundred eighty-eight thousand, two hundred eighty-eight".