11244240 has 240 divisors, whose sum is σ = 45497088. Its totient is φ = 2433024.

The previous prime is 11244221. The next prime is 11244241. The reversal of 11244240 is 4244211.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115872 + ... + 115968.

Almost surely, 2^11244240 is an apocalyptic number.

11244240 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 11244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22748544).

11244240 is an abundant number, since it is smaller than the sum of its proper divisors (34252848).

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

11244240 is a wasteful number, since it uses less digits than its factorization.

11244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11244240 is about 3353.2432062110. The cubic root of 11244240 is about 224.0319894790.

Adding to 11244240 its reverse (4244211), we get a palindrome (15488451).

The spelling of 11244240 in words is "eleven million, two hundred forty-four thousand, two hundred forty".