14406663644 has 12 divisors (see below), whose sum is σ = 25217652600. Its totient is φ = 7201620048.

The previous prime is 14406663643. The next prime is 14406663647. The reversal of 14406663644 is 44636660441.

It is a junction number, because it is equal to n+sod(n) for n = 14406663595 and 14406663604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14406663641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408914 + ... + 442745.

It is an arithmetic number, because the mean of its divisors is an integer number (2101471050).

Almost surely, 2^14406663644 is an apocalyptic number.

It is an amenable number.

14406663644 is a deficient number, since it is larger than the sum of its proper divisors (10810988956).

14406663644 is a wasteful number, since it uses less digits than its factorization.

14406663644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855892 (or 855890 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 14406663644 in words is "fourteen billion, four hundred six million, six hundred sixty-three thousand, six hundred forty-four".