14440380447 has 8 divisors (see below), whose sum is σ = 19256364544. Its totient is φ = 9625658328.

The previous prime is 14440380373. The next prime is 14440380457. The reversal of 14440380447 is 74408304441.

It is a happy number.

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

It is not a de Polignac number, because 14440380447 - 2⁷ = 14440380319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440380457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288463 + ... + 334800.

It is an arithmetic number, because the mean of its divisors is an integer number (2407045568).

Almost surely, 2^14440380447 is an apocalyptic number.

14440380447 is a deficient number, since it is larger than the sum of its proper divisors (4815984097).

14440380447 is an equidigital number, since it uses as much as digits as its factorization.

14440380447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630989.

The product of its (nonzero) digits is 172032, while the sum is 39.

Adding to 14440380447 its reverse (74408304441), we get a palindrome (88848684888).

The spelling of 14440380447 in words is "fourteen billion, four hundred forty million, three hundred eighty thousand, four hundred forty-seven".