128964804396 has 48 divisors (see below), whose sum is σ = 316926005760. Its totient is φ = 40703826240.

The previous prime is 128964804389. The next prime is 128964804413. The reversal of 128964804396 is 693408469821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275430 + ... + 577746.

It is an arithmetic number, because the mean of its divisors is an integer number (6602625120).

Almost surely, 2^128964804396 is an apocalyptic number.

It is an amenable number.

128964804396 is an abundant number, since it is smaller than the sum of its proper divisors (187961201364).

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

128964804396 is a wasteful number, since it uses less digits than its factorization.

128964804396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304214 (or 304212 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 128964804396 in words is "one hundred twenty-eight billion, nine hundred sixty-four million, eight hundred four thousand, three hundred ninety-six".