128044408 has 16 divisors (see below), whose sum is σ = 254206080. Its totient is φ = 60256128.

The previous prime is 128044369. The next prime is 128044417. The reversal of 128044408 is 804440821.

It is a self number, because there is not a number n which added to its sum of digits gives 128044408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470616 + ... + 470887.

It is an arithmetic number, because the mean of its divisors is an integer number (15887880).

Almost surely, 2^128044408 is an apocalyptic number.

It is an amenable number.

128044408 is a deficient number, since it is larger than the sum of its proper divisors (126161672).

128044408 is a wasteful number, since it uses less digits than its factorization.

128044408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941526 (or 941522 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 128044408 is about 11315.6709036628. The cubic root of 128044408 is about 504.0266950671.

The spelling of 128044408 in words is "one hundred twenty-eight million, forty-four thousand, four hundred eight".