14131443440 has 80 divisors (see below), whose sum is σ = 33323908800. Its totient is φ = 5572509696.

The previous prime is 14131443419. The next prime is 14131443451. The reversal of 14131443440 is 4434413141.

14131443440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883216 + ... + 1890704.

It is an arithmetic number, because the mean of its divisors is an integer number (416548860).

Almost surely, 2^14131443440 is an apocalyptic number.

14131443440 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 14131443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16661954400).

14131443440 is an abundant number, since it is smaller than the sum of its proper divisors (19192465360).

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

14131443440 is a wasteful number, since it uses less digits than its factorization.

14131443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834 (or 7828 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 14131443440 its reverse (4434413141), we get a palindrome (18565856581).

The spelling of 14131443440 in words is "fourteen billion, one hundred thirty-one million, four hundred forty-three thousand, four hundred forty".