44809428 has 48 divisors (see below), whose sum is σ = 109831680. Its totient is φ = 14191584.

The previous prime is 44809421. The next prime is 44809439. The reversal of 44809428 is 82490844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44809421) 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, 48951 + ... + 49857.

It is an arithmetic number, because the mean of its divisors is an integer number (2288160).

Almost surely, 2^44809428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44809428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54915840).

44809428 is an abundant number, since it is smaller than the sum of its proper divisors (65022252).

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

44809428 is a wasteful number, since it uses less digits than its factorization.

44809428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 44809428 is about 6693.9844636808. The cubic root of 44809428 is about 355.1865131130.

The spelling of 44809428 in words is "forty-four million, eight hundred nine thousand, four hundred twenty-eight".