444065028 has 48 divisors (see below), whose sum is σ = 1137884160. Its totient is φ = 133668000.

The previous prime is 444065021. The next prime is 444065047. The reversal of 444065028 is 820560444.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 444065028.

It is not an unprimeable number, because it can be changed into a prime (444065021) 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, 8793 + ... + 31071.

It is an arithmetic number, because the mean of its divisors is an integer number (23705920).

Almost surely, 2^444065028 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 444065028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568942080).

444065028 is an abundant number, since it is smaller than the sum of its proper divisors (693819132).

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

444065028 is a wasteful number, since it uses less digits than its factorization.

444065028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22448 (or 22446 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 444065028 is about 21072.8504953649. The cubic root of 444065028 is about 762.9256048396.

The spelling of 444065028 in words is "four hundred forty-four million, sixty-five thousand, twenty-eight".