444223256601 has 32 divisors (see below), whose sum is σ = 624715223040. Its totient is φ = 280402113600.

The previous prime is 444223256593. The next prime is 444223256627. The reversal of 444223256601 is 106652322444.

It is a happy number.

It is not a de Polignac number, because 444223256601 - 2³ = 444223256593 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444223256601.

It is not an unprimeable number, because it can be changed into a prime (444223256671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 965911 + ... + 1349603.

It is an arithmetic number, because the mean of its divisors is an integer number (19522350720).

Almost surely, 2^444223256601 is an apocalyptic number.

It is an amenable number.

444223256601 is a deficient number, since it is larger than the sum of its proper divisors (180491966439).

444223256601 is a wasteful number, since it uses less digits than its factorization.

444223256601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383997.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 444223256601 in words is "four hundred forty-four billion, two hundred twenty-three million, two hundred fifty-six thousand, six hundred one".