14240405 has 8 divisors (see below), whose sum is σ = 17988000. Its totient is φ = 10792656.

The previous prime is 14240351. The next prime is 14240431. The reversal of 14240405 is 50404241.

14240405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14240405 - 2⁶ = 14240341 is a prime.

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, 74855 + ... + 75044.

It is an arithmetic number, because the mean of its divisors is an integer number (2248500).

Almost surely, 2^14240405 is an apocalyptic number.

It is an amenable number.

14240405 is a deficient number, since it is larger than the sum of its proper divisors (3747595).

14240405 is a wasteful number, since it uses less digits than its factorization.

14240405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149923.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 14240405 is about 3773.6461148338. The cubic root of 14240405 is about 242.3859526782.

Adding to 14240405 its reverse (50404241), we get a palindrome (64644646).

The spelling of 14240405 in words is "fourteen million, two hundred forty thousand, four hundred five".