14143432440 has 64 divisors (see below), whose sum is σ = 42438310560. Its totient is φ = 3770869760.

The previous prime is 14143432411. The next prime is 14143432451. The reversal of 14143432440 is 4423434141.

14143432440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14143432398 and 14143432407.

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, 1034932 + ... + 1048508.

Almost surely, 2^14143432440 is an apocalyptic number.

14143432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14143432440 is an abundant number, since it is smaller than the sum of its proper divisors (28294878120).

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

14143432440 is a wasteful number, since it uses less digits than its factorization.

14143432440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272 (or 22268 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 14143432440 its reverse (4423434141), we get a palindrome (18566866581).

The spelling of 14143432440 in words is "fourteen billion, one hundred forty-three million, four hundred thirty-two thousand, four hundred forty".