4444421323266 has 16 divisors (see below), whose sum is σ = 9876491829600. Its totient is φ = 1481473774404.

The previous prime is 4444421323253. The next prime is 4444421323319. The reversal of 4444421323266 is 6623231244444.

4444421323266 is a `hidden beast` number, since 4 + 4 + 4 + 44 + 21 + 323 + 266 = 666.

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, 41152049236 + ... + 41152049343.

It is an arithmetic number, because the mean of its divisors is an integer number (617280739350).

Almost surely, 2^{4444421323266} is an apocalyptic number.

4444421323266 is an abundant number, since it is smaller than the sum of its proper divisors (5432070506334).

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

4444421323266 is a wasteful number, since it uses less digits than its factorization.

4444421323266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82304098590 (or 82304098584 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 45.

The spelling of 4444421323266 in words is "four trillion, four hundred forty-four billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred sixty-six".