14444509840 has 40 divisors (see below), whose sum is σ = 35351040960. Its totient is φ = 5473708416.

The previous prime is 14444509817. The next prime is 14444509847. The reversal of 14444509840 is 4890544441.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (14444509847) by changing a digit.

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, 4749964 + ... + 4753003.

It is an arithmetic number, because the mean of its divisors is an integer number (883776024).

Almost surely, 2^14444509840 is an apocalyptic number.

14444509840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14444509840 is an abundant number, since it is smaller than the sum of its proper divisors (20906531120).

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

14444509840 is a wasteful number, since it uses less digits than its factorization.

14444509840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502999 (or 9502993 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 14444509840 in words is "fourteen billion, four hundred forty-four million, five hundred nine thousand, eight hundred forty".