It is a happy number.
44000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
244000 is an apocalyptic number.
44000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 44000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44000 is a wasteful number, since it uses less digits than its factorization.
44000 is an evil number, because the sum of its binary digits is even.
The square root of 44000 is about 209.7617696340. The cubic root of 44000 is about 35.3034833533.
Adding to 44000 its reverse (44), we get a palindrome (44044).
Subtracting from 44000 its reverse (44), we obtain a triangular number (43956 = T296).
44000 divided by its reverse (44) gives a cube (1000 = 103).