11744240 has 40 divisors (see below), whose sum is σ = 27693168. Its totient is φ = 4631040.

The previous prime is 11744233. The next prime is 11744273. The reversal of 11744240 is 4244711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4835 + ... + 6845.

Almost surely, 2^11744240 is an apocalyptic number.

11744240 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 11744240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13846584).

11744240 is an abundant number, since it is smaller than the sum of its proper divisors (15948928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11744240 is a wasteful number, since it uses less digits than its factorization.

11744240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 11744240 is about 3426.9870148572. The cubic root of 11744240 is about 227.3046424998.

Adding to 11744240 its reverse (4244711), we get a palindrome (15988951).

The spelling of 11744240 in words is "eleven million, seven hundred forty-four thousand, two hundred forty".