44428 has 12 divisors (see below), whose sum is σ = 80640. Its totient is φ = 21392.

The previous prime is 44417. The next prime is 44449. The reversal of 44428 is 82444.

44428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44399 and 44408.

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, 76 + ... + 307.

It is an arithmetic number, because the mean of its divisors is an integer number (6720).

2⁴⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

44428 is a deficient number, since it is larger than the sum of its proper divisors (36212).

44428 is a wasteful number, since it uses less digits than its factorization.

44428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 44428 is about 210.7795056451. The cubic root of 44428 is about 35.4175830597.

The spelling of 44428 in words is "forty-four thousand, four hundred twenty-eight".