11103444040 has 64 divisors (see below), whose sum is σ = 26929753200. Its totient is φ = 4095885312.

The previous prime is 11103444019. The next prime is 11103444043. The reversal of 11103444040 is 4044430111.

It can be written as a sum of positive squares in 8 ways, for example, as 3330905796 + 7772538244 = 57714^2 + 88162^2 .

It is not an unprimeable number, because it can be changed into a prime (11103444043) 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, 577624 + ... + 596536.

Almost surely, 2^11103444040 is an apocalyptic number.

11103444040 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 11103444040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13464876600).

11103444040 is an abundant number, since it is smaller than the sum of its proper divisors (15826309160).

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

11103444040 is a wasteful number, since it uses less digits than its factorization.

11103444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20066 (or 20062 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11103444040 its reverse (4044430111), we get a palindrome (15147874151).

The spelling of 11103444040 in words is "eleven billion, one hundred three million, four hundred forty-four thousand, forty".