11240544 has 96 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 3128832.

The previous prime is 11240543. The next prime is 11240557. The reversal of 11240544 is 44504211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11240544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28702 + ... + 29090.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^11240544 is an apocalyptic number.

11240544 is a gapful number since it is divisible by the number (14) 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 11240544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297280).

11240544 is an abundant number, since it is smaller than the sum of its proper divisors (23354016).

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

11240544 is a wasteful number, since it uses less digits than its factorization.

11240544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11240544 is about 3352.6920526645. The cubic root of 11240544 is about 224.0074402291.

Adding to 11240544 its reverse (44504211), we get a palindrome (55744755).

The spelling of 11240544 in words is "eleven million, two hundred forty thousand, five hundred forty-four".