128276258880 has 224 divisors, whose sum is σ = 507774366720. Its totient is φ = 26654791680.

The previous prime is 128276258867. The next prime is 128276258899. The reversal of 128276258880 is 88852672821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 128276258880.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793750 + ... + 941589.

Almost surely, 2^128276258880 is an apocalyptic number.

128276258880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128276258880 is an abundant number, since it is smaller than the sum of its proper divisors (379498107840).

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

128276258880 is a wasteful number, since it uses less digits than its factorization.

128276258880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735377 (or 1735367 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 128276258880 in words is "one hundred twenty-eight billion, two hundred seventy-six million, two hundred fifty-eight thousand, eight hundred eighty".