14043135440 has 80 divisors (see below), whose sum is σ = 33190839936. Its totient is φ = 5524646400.

The previous prime is 14043135433. The next prime is 14043135443. The reversal of 14043135440 is 4453134041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14043135443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2513450 + ... + 2519030.

Almost surely, 2^14043135440 is an apocalyptic number.

14043135440 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 14043135440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16595419968).

14043135440 is an abundant number, since it is smaller than the sum of its proper divisors (19147704496).

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

14043135440 is a wasteful number, since it uses less digits than its factorization.

14043135440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108 (or 6102 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 14043135440 its reverse (4453134041), we get a palindrome (18496269481).

The spelling of 14043135440 in words is "fourteen billion, forty-three million, one hundred thirty-five thousand, four hundred forty".