14405220431 has 8 divisors (see below), whose sum is σ = 17030802720. Its totient is φ = 11921561568.

The previous prime is 14405220421. The next prime is 14405220433. The reversal of 14405220431 is 13402250441.

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

It is a de Polignac number, because none of the positive numbers 2^k-14405220431 is a prime.

It is a super-2 number, since 2×14405220431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14405220431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14405220433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35480636 + ... + 35481041.

It is an arithmetic number, because the mean of its divisors is an integer number (2128850340).

Almost surely, 2^14405220431 is an apocalyptic number.

14405220431 is a deficient number, since it is larger than the sum of its proper divisors (2625582289).

14405220431 is an equidigital number, since it uses as much as digits as its factorization.

14405220431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70961713.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 14405220431 its reverse (13402250441), we get a palindrome (27807470872).

The spelling of 14405220431 in words is "fourteen billion, four hundred five million, two hundred twenty thousand, four hundred thirty-one".