444344661 has 12 divisors (see below), whose sum is σ = 643774560. Its totient is φ = 295332840.

The previous prime is 444344611. The next prime is 444344687. The reversal of 444344661 is 166443444.

It is not a de Polignac number, because 444344661 - 2⁶ = 444344597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444344611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71601 + ... + 77558.

It is an arithmetic number, because the mean of its divisors is an integer number (53647880).

Almost surely, 2^444344661 is an apocalyptic number.

It is an amenable number.

444344661 is a deficient number, since it is larger than the sum of its proper divisors (199429899).

444344661 is a wasteful number, since it uses less digits than its factorization.

444344661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149496 (or 149493 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 444344661 is about 21079.4843627637. The cubic root of 444344661 is about 763.0857123292.

The spelling of 444344661 in words is "four hundred forty-four million, three hundred forty-four thousand, six hundred sixty-one".