128806352448 has 56 divisors (see below), whose sum is σ = 340858083840. Its totient is φ = 42928151040.

The previous prime is 128806352447. The next prime is 128806352459. The reversal of 128806352448 is 844253608821.

It is a self number, because there is not a number n which added to its sum of digits gives 128806352448.

It is not an unprimeable number, because it can be changed into a prime (128806352447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140513 + ... + 1248351.

Almost surely, 2^128806352448 is an apocalyptic number.

It is an amenable number.

128806352448 is an abundant number, since it is smaller than the sum of its proper divisors (212051731392).

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

128806352448 is a wasteful number, since it uses less digits than its factorization.

128806352448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114075 (or 114065 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 128806352448 in words is "one hundred twenty-eight billion, eight hundred six million, three hundred fifty-two thousand, four hundred forty-eight".