14434421423440 has 40 divisors (see below), whose sum is σ = 33564394785888. Its totient is φ = 5773017605760.

The previous prime is 14434421423423. The next prime is 14434421423479. The reversal of 14434421423440 is 4432412443441.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 14434421423393 and 14434421423402.

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, 11114682 + ... + 12345241.

Almost surely, 2^{14434421423440} is an apocalyptic number.

14434421423440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14434421423440 is an abundant number, since it is smaller than the sum of its proper divisors (19129973362448).

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

14434421423440 is a wasteful number, since it uses less digits than its factorization.

14434421423440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467627 (or 23467621 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 14434421423440 its reverse (4432412443441), we get a palindrome (18866833866881).

The spelling of 14434421423440 in words is "fourteen trillion, four hundred thirty-four billion, four hundred twenty-one million, four hundred twenty-three thousand, four hundred forty".