444094561 has 4 divisors (see below), whose sum is σ = 458420224. Its totient is φ = 429768900.

The previous prime is 444094549. The next prime is 444094577. The reversal of 444094561 is 165490444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444094561 - 2²⁵ = 410540129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444094561.

It is not an unprimeable number, because it can be changed into a prime (444094501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7162785 + ... + 7162846.

It is an arithmetic number, because the mean of its divisors is an integer number (114605056).

Almost surely, 2^444094561 is an apocalyptic number.

It is an amenable number.

444094561 is a deficient number, since it is larger than the sum of its proper divisors (14325663).

444094561 is a wasteful number, since it uses less digits than its factorization.

444094561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14325662.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 444094561 is about 21073.5512194789. The cubic root of 444094561 is about 762.9425175146.

The spelling of 444094561 in words is "four hundred forty-four million, ninety-four thousand, five hundred sixty-one".