14431554455540 has 72 divisors (see below), whose sum is σ = 32295820152960. Its totient is φ = 5415704162496.

The previous prime is 14431554455491. The next prime is 14431554455551. The reversal of 14431554455540 is 4555445513441.

14431554455540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8959400 + ... + 10446719.

It is an arithmetic number, because the mean of its divisors is an integer number (448553057680).

Almost surely, 2^{14431554455540} is an apocalyptic number.

14431554455540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14431554455540 is an abundant number, since it is smaller than the sum of its proper divisors (17864265697420).

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

14431554455540 is a wasteful number, since it uses less digits than its factorization.

14431554455540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19406269 (or 19406248 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 50.

Adding to 14431554455540 its reverse (4555445513441), we get a palindrome (18986999968981).

The spelling of 14431554455540 in words is "fourteen trillion, four hundred thirty-one billion, five hundred fifty-four million, four hundred fifty-five thousand, five hundred forty".