14005663944 has 32 divisors (see below), whose sum is σ = 35031813120. Its totient is φ = 4666200896.

The previous prime is 14005663921. The next prime is 14005663949. The reversal of 14005663944 is 44936650041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 14005663896 and 14005663905.

It is not an unprimeable number, because it can be changed into a prime (14005663949) 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, 98184 + ... + 194039.

It is an arithmetic number, because the mean of its divisors is an integer number (1094744160).

Almost surely, 2^14005663944 is an apocalyptic number.

It is an amenable number.

14005663944 is an abundant number, since it is smaller than the sum of its proper divisors (21026149176).

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

14005663944 is a wasteful number, since it uses less digits than its factorization.

14005663944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294229 (or 294225 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 14005663944 in words is "fourteen billion, five million, six hundred sixty-three thousand, nine hundred forty-four".