444405475253122 has 16 divisors (see below), whose sum is σ = 668482520094720. Its totient is φ = 221578000888608.

The previous prime is 444405475253119. The next prime is 444405475253171. The reversal of 444405475253122 is 221352574504444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 444405475253122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19490623 + ... + 35618749.

It is an arithmetic number, because the mean of its divisors is an integer number (41780157505920).

Almost surely, 2^{444405475253122} is an apocalyptic number.

444405475253122 is a deficient number, since it is larger than the sum of its proper divisors (224077044841598).

444405475253122 is a wasteful number, since it uses less digits than its factorization.

444405475253122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16166865.

The product of its (nonzero) digits is 21504000, while the sum is 52.

The spelling of 444405475253122 in words is "four hundred forty-four trillion, four hundred five billion, four hundred seventy-five million, two hundred fifty-three thousand, one hundred twenty-two".