128444528 has 40 divisors (see below), whose sum is σ = 255641376. Its totient is φ = 62496000.

The previous prime is 128444527. The next prime is 128444539. The reversal of 128444528 is 825444821.

It is a junction number, because it is equal to n+sod(n) for n = 128444491 and 128444500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128444527) 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, 97925 + ... + 99227.

Almost surely, 2^128444528 is an apocalyptic number.

It is an amenable number.

128444528 is a deficient number, since it is larger than the sum of its proper divisors (127196848).

128444528 is a wasteful number, since it uses less digits than its factorization.

128444528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1467 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 128444528 is about 11333.3370196072. The cubic root of 128444528 is about 504.5511523342.

The spelling of 128444528 in words is "one hundred twenty-eight million, four hundred forty-four thousand, five hundred twenty-eight".