11040440404 has 96 divisors (see below), whose sum is σ = 23657711616. Its totient is φ = 4405484160.

The previous prime is 11040440393. The next prime is 11040440417. The reversal of 11040440404 is 40404404011.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 11657859 + ... + 11658805.

It is an arithmetic number, because the mean of its divisors is an integer number (246434496).

Almost surely, 2^11040440404 is an apocalyptic number.

11040440404 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 11040440404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11828855808).

11040440404 is an abundant number, since it is smaller than the sum of its proper divisors (12617271212).

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

11040440404 is a wasteful number, since it uses less digits than its factorization.

11040440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 11040440404 its reverse (40404404011), we get a palindrome (51444844415).

The spelling of 11040440404 in words is "eleven billion, forty million, four hundred forty thousand, four hundred four".