It is a happy number.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a plaindrome in base 12.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
4400 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 4400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4400 is a wasteful number, since it uses less digits than its factorization.
4400 is an evil number, because the sum of its binary digits is even.
The square root of 4400 is about 66.3324958071. The cubic root of 4400 is about 16.3864254120.
Adding to 4400 its reverse (44), we get a palindrome (4444).
Subtracting from 4400 its reverse (44), we obtain a square (4356 = 662).
Multiplying 4400 by its reverse (44), we get a square (193600 = 4402).
4400 divided by its reverse (44) gives a square (100 = 102).
The spelling of 4400 in words is "four thousand, four hundred", and thus it is an iban number.