11140444 has 36 divisors (see below), whose sum is σ = 22924944. Its totient is φ = 4722816.

The previous prime is 11140421. The next prime is 11140447. The reversal of 11140444 is 44404111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21897 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (636804).

Almost surely, 2^11140444 is an apocalyptic number.

11140444 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 11140444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11462472).

11140444 is an abundant number, since it is smaller than the sum of its proper divisors (11784500).

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

11140444 is a wasteful number, since it uses less digits than its factorization.

11140444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 11140444 is about 3337.7303665815. The cubic root of 11140444 is about 223.3405081728.

Adding to 11140444 its reverse (44404111), we get a palindrome (55544555).

The spelling of 11140444 in words is "eleven million, one hundred forty thousand, four hundred forty-four".