It is a happy number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244440.
It is an unprimeable number.
244440 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2244440 is an apocalyptic number.
244440 is a gapful number since it is divisible by the number (20) 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 244440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244440 is a wasteful number, since it uses less digits than its factorization.
244440 is an odious number, because the sum of its binary digits is odd.
The square root of 244440 is about 494.4087377869. The cubic root of 244440 is about 62.5255362317.
Adding to 244440 its reverse (44442), we get a palindrome (288882).
The spelling of 244440 in words is "two hundred forty-four thousand, four hundred forty", and thus it is an iban number.