14644000000 has 252 divisors, whose sum is σ = 41837589472. Its totient is φ = 5011200000.

The previous prime is 14643999967. The next prime is 14644000037. The reversal of 14644000000 is 44641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 27999739 + ... + 28000261.

Almost surely, 2^14644000000 is an apocalyptic number.

14644000000 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 14644000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20918794736).

14644000000 is an abundant number, since it is smaller than the sum of its proper divisors (27193589472).

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

14644000000 is an frugal number, since it uses more digits than its factorization.

14644000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 14644000000 its reverse (44641), we get a palindrome (14644044641).

The spelling of 14644000000 in words is "fourteen billion, six hundred forty-four million", and thus it is an aban number.