444404446 has 8 divisors (see below), whose sum is σ = 705818880. Its totient is φ = 209131488.

The previous prime is 444404423. The next prime is 444404449. The reversal of 444404446 is 644404444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 13070719 = 444404446 / (4 + 4 + 4 + 4 + 0 + 4 + 4 + 4 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444404449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6535326 + ... + 6535393.

It is an arithmetic number, because the mean of its divisors is an integer number (88227360).

Almost surely, 2^444404446 is an apocalyptic number.

444404446 is a deficient number, since it is larger than the sum of its proper divisors (261414434).

444404446 is a wasteful number, since it uses less digits than its factorization.

444404446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070738.

The product of its (nonzero) digits is 98304, while the sum is 34.

The square root of 444404446 is about 21080.9024000397. The cubic root of 444404446 is about 763.1199342876.

The spelling of 444404446 in words is "four hundred forty-four million, four hundred four thousand, four hundred forty-six".