128248494455444 has 24 divisors (see below), whose sum is σ = 245091228368448. Its totient is φ = 58234486040640.

The previous prime is 128248494455443. The next prime is 128248494455509. The reversal of 128248494455444 is 444554494842821.

128248494455444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128248494455443) 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, 1507061129 + ... + 1507146224.

It is an arithmetic number, because the mean of its divisors is an integer number (10212134515352).

Almost surely, 2^{128248494455444} is an apocalyptic number.

It is an amenable number.

128248494455444 is a deficient number, since it is larger than the sum of its proper divisors (116842733913004).

128248494455444 is a wasteful number, since it uses less digits than its factorization.

128248494455444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014208335 (or 3014208333 counting only the distinct ones).

The product of its digits is 943718400, while the sum is 68.

The spelling of 128248494455444 in words is "one hundred twenty-eight trillion, two hundred forty-eight billion, four hundred ninety-four million, four hundred fifty-five thousand, four hundred forty-four".