Adding to 2440 its reverse (442), we get a palindrome (2882).
2440 is nontrivially palindromic in base 3 and base 15.
2440 is an undulating number in base 11 and base 15.
It is a plaindrome in base 13.
It is a nialpdrome in base 9, base 14 and base 16.
It is a zygodrome in base 9.
2440 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 2440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2440 is a wasteful number, since it uses less digits than its factorization.
2440 is an evil number, because the sum of its binary digits is even.
The square root of 2440 is about 49.3963561409. The cubic root of 2440 is about 13.4626309945.
The spelling of 2440 in words is "two thousand, four hundred forty", and thus it is an iban number.