444442250066 has 4 divisors (see below), whose sum is σ = 666663375102. Its totient is φ = 222221125032.

The previous prime is 444442250053. The next prime is 444442250129. The reversal of 444442250066 is 660052244444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 418895022841 + 25547227225 = 647221^2 + 159835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110562515 + ... + 111110562518.

Almost surely, 2^444442250066 is an apocalyptic number.

444442250066 is a deficient number, since it is larger than the sum of its proper divisors (222221125036).

444442250066 is a wasteful number, since it uses less digits than its factorization.

444442250066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222221125035.

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 444442250066 in words is "four hundred forty-four billion, four hundred forty-two million, two hundred fifty thousand, sixty-six".