11440044 has 72 divisors (see below), whose sum is σ = 36062208. Its totient is φ = 2970720.

The previous prime is 11440027. The next prime is 11440057. The reversal of 11440044 is 44004411.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11439999 and 11440026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709 + ... + 4835.

It is an arithmetic number, because the mean of its divisors is an integer number (500864).

Almost surely, 2^11440044 is an apocalyptic number.

11440044 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 11440044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18031104).

11440044 is an abundant number, since it is smaller than the sum of its proper divisors (24622164).

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

11440044 is a wasteful number, since it uses less digits than its factorization.

11440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4150 counting only the distinct ones).

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

The square root of 11440044 is about 3382.3134094877. The cubic root of 11440044 is about 225.3249231443.

Adding to 11440044 its reverse (44004411), we get a palindrome (55444455).

It can be divided in two parts, 11 and 440044, that multiplied together give a palindrome (4840484).

The spelling of 11440044 in words is "eleven million, four hundred forty thousand, forty-four".