2320443226664 has 32 divisors (see below), whose sum is σ = 4606838064000. Its totient is φ = 1091955321600.

The previous prime is 2320443226639. The next prime is 2320443226693. The reversal of 2320443226664 is 4666223440232.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12015137 + ... + 12206735.

It is an arithmetic number, because the mean of its divisors is an integer number (143963689500).

Almost surely, 2^{2320443226664} is an apocalyptic number.

It is an amenable number.

2320443226664 is a deficient number, since it is larger than the sum of its proper divisors (2286394837336).

2320443226664 is a wasteful number, since it uses less digits than its factorization.

2320443226664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280673 (or 280669 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 44.

Adding to 2320443226664 its reverse (4666223440232), we get a palindrome (6986666666896).

The spelling of 2320443226664 in words is "two trillion, three hundred twenty billion, four hundred forty-three million, two hundred twenty-six thousand, six hundred sixty-four".