14431430212440 has 32 divisors (see below), whose sum is σ = 43294290637680. Its totient is φ = 3848381389952.

The previous prime is 14431430212379. The next prime is 14431430212457. The reversal of 14431430212440 is 4421203413441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60130959099 + ... + 60130959338.

Almost surely, 2^{14431430212440} is an apocalyptic number.

14431430212440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14431430212440 is an abundant number, since it is smaller than the sum of its proper divisors (28862860425240).

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

14431430212440 is a wasteful number, since it uses less digits than its factorization.

14431430212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120261918451 (or 120261918447 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 14431430212440 its reverse (4421203413441), we get a palindrome (18852633625881).

The spelling of 14431430212440 in words is "fourteen trillion, four hundred thirty-one billion, four hundred thirty million, two hundred twelve thousand, four hundred forty".