12044040440 has 32 divisors (see below), whose sum is σ = 27305966160. Its totient is φ = 4780838400.

The previous prime is 12044040419. The next prime is 12044040457. The reversal of 12044040440 is 4404044021.

It is a congruent number.

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, 1144001 + ... + 1154480.

Almost surely, 2^12044040440 is an apocalyptic number.

12044040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12044040440 is an abundant number, since it is smaller than the sum of its proper divisors (15261925720).

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

12044040440 is a wasteful number, since it uses less digits than its factorization.

12044040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298623 (or 2298619 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12044040440 its reverse (4404044021), we get a palindrome (16448084461).

The spelling of 12044040440 in words is "twelve billion, forty-four million, forty thousand, four hundred forty".