128804448 has 24 divisors (see below), whose sum is σ = 338111928. Its totient is φ = 42934784.

The previous prime is 128804441. The next prime is 128804453. The reversal of 128804448 is 844408821.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128804441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670761 + ... + 670952.

It is an arithmetic number, because the mean of its divisors is an integer number (14087997).

Almost surely, 2^128804448 is an apocalyptic number.

It is an amenable number.

128804448 is an abundant number, since it is smaller than the sum of its proper divisors (209307480).

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

128804448 is a wasteful number, since it uses less digits than its factorization.

128804448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341726 (or 1341718 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 128804448 is about 11349.2047298478. The cubic root of 128804448 is about 505.0219877366.

The spelling of 128804448 in words is "one hundred twenty-eight million, eight hundred four thousand, four hundred forty-eight".