4446806444664 has 64 divisors (see below), whose sum is σ = 11721659040000. Its totient is φ = 1401910248960.

The previous prime is 4446806444599. The next prime is 4446806444677. The reversal of 4446806444664 is 4664446086444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4446806444598 and 4446806444607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7866897 + ... + 8413184.

It is an arithmetic number, because the mean of its divisors is an integer number (183150922500).

Almost surely, 2^{4446806444664} is an apocalyptic number.

It is an amenable number.

4446806444664 is an abundant number, since it is smaller than the sum of its proper divisors (7274852595336).

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

4446806444664 is a wasteful number, since it uses less digits than its factorization.

4446806444664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16280708 (or 16280704 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 60.

The spelling of 4446806444664 in words is "four trillion, four hundred forty-six billion, eight hundred six million, four hundred forty-four thousand, six hundred sixty-four".