11040440044 has 24 divisors (see below), whose sum is σ = 19466516160. Its totient is φ = 5478699024.

The previous prime is 11040440039. The next prime is 11040440053. The reversal of 11040440044 is 44004404011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11040439997 and 11040440024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359727 + ... + 389209.

It is an arithmetic number, because the mean of its divisors is an integer number (811104840).

Almost surely, 2^11040440044 is an apocalyptic number.

It is an amenable number.

11040440044 is a deficient number, since it is larger than the sum of its proper divisors (8426076116).

11040440044 is a wasteful number, since it uses less digits than its factorization.

11040440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30189 (or 30187 counting only the distinct ones).

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

Adding to 11040440044 its reverse (44004404011), we get a palindrome (55044844055).

The spelling of 11040440044 in words is "eleven billion, forty million, four hundred forty thousand, forty-four".