128344944 has 80 divisors (see below), whose sum is σ = 408084992. Its totient is φ = 33848064.

The previous prime is 128344907. The next prime is 128344949. The reversal of 128344944 is 449443821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128344949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10324 + ... + 19059.

Almost surely, 2^128344944 is an apocalyptic number.

128344944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128344944 is an abundant number, since it is smaller than the sum of its proper divisors (279740048).

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

128344944 is a wasteful number, since it uses less digits than its factorization.

128344944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29414 (or 29408 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 128344944 is about 11328.9427573803. The cubic root of 128344944 is about 504.4207245314.

The spelling of 128344944 in words is "one hundred twenty-eight million, three hundred forty-four thousand, nine hundred forty-four".