11440144444 has 12 divisors (see below), whose sum is σ = 20022975000. Its totient is φ = 5719294448.

The previous prime is 11440144381. The next prime is 11440144451. The reversal of 11440144444 is 44444104411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160699 + ... + 220690.

It is an arithmetic number, because the mean of its divisors is an integer number (1668581250).

Almost surely, 2^11440144444 is an apocalyptic number.

It is an amenable number.

11440144444 is a deficient number, since it is larger than the sum of its proper divisors (8582830556).

11440144444 is a wasteful number, since it uses less digits than its factorization.

11440144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388892 (or 388890 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 11440144444 its reverse (44444104411), we get a palindrome (55884248855).

The spelling of 11440144444 in words is "eleven billion, four hundred forty million, one hundred forty-four thousand, four hundred forty-four".