11444240440 has 32 divisors (see below), whose sum is σ = 25823778480. Its totient is φ = 4564498432.

The previous prime is 11444240393. The next prime is 11444240447. The reversal of 11444240440 is 4404244411.

It is a junction number, because it is equal to n+sod(n) for n = 11444240399 and 11444240408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444240447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398377 + ... + 426136.

Almost surely, 2^11444240440 is an apocalyptic number.

11444240440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11444240440 is an abundant number, since it is smaller than the sum of its proper divisors (14379538040).

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

11444240440 is a wasteful number, since it uses less digits than its factorization.

11444240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824871 (or 824867 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 11444240440 its reverse (4404244411), we get a palindrome (15848484851).

The spelling of 11444240440 in words is "eleven billion, four hundred forty-four million, two hundred forty thousand, four hundred forty".