44401128 has 48 divisors (see below), whose sum is σ = 112895040. Its totient is φ = 14552160.

The previous prime is 44401111. The next prime is 44401139. The reversal of 44401128 is 82110444.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 44401098 and 44401107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120801 + ... + 121167.

It is an arithmetic number, because the mean of its divisors is an integer number (2351980).

Almost surely, 2^44401128 is an apocalyptic number.

It is an amenable number.

44401128 is an abundant number, since it is smaller than the sum of its proper divisors (68493912).

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

44401128 is a wasteful number, since it uses less digits than its factorization.

44401128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 44401128 is about 6663.4171413772. The cubic root of 44401128 is about 354.1044091781.

The spelling of 44401128 in words is "forty-four million, four hundred one thousand, one hundred twenty-eight".