128044438 has 8 divisors (see below), whose sum is σ = 192182688. Its totient is φ = 63983544.

The previous prime is 128044417. The next prime is 128044471. The reversal of 128044438 is 834440821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 15006 + ... + 21937.

It is an arithmetic number, because the mean of its divisors is an integer number (24022836).

Almost surely, 2^128044438 is an apocalyptic number.

128044438 is a deficient number, since it is larger than the sum of its proper divisors (64138250).

128044438 is a wasteful number, since it uses less digits than its factorization.

128044438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38678.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 128044438 is about 11315.6722292580. The cubic root of 128044438 is about 504.0267344305.

The spelling of 128044438 in words is "one hundred twenty-eight million, forty-four thousand, four hundred thirty-eight".