Adding to 1441440 its reverse (441441), we get a palindrome (1882881).
Subtracting from 1441440 its reverse (441441), we obtain a palindrome (999999).
It is a tau number, because it is divible by the number of its divisors (288).
It is a zygodrome in base 4.
It is a congruent number.
It is an unprimeable number.
1441440 is a highly composite number, because it has more divisors than any smaller number.
1441440 is a superabundant number, because it has a larger abundancy index than any smaller number.
21441440 is an apocalyptic number.
1441440 is a gapful number since it is divisible by the number (10) 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 1441440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3302208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1441440 is a wasteful number, since it uses less digits than its factorization.
1441440 is an evil number, because the sum of its binary digits is even.
The square root of 1441440 is about 1200.5998500750. The cubic root of 1441440 is about 112.9619523667.
The spelling of 1441440 in words is "one million, four hundred forty-one thousand, four hundred forty".