444523312 has 20 divisors (see below), whose sum is σ = 882271656. Its totient is φ = 216840320.

The previous prime is 444523301. The next prime is 444523333. The reversal of 444523312 is 213325444.

It is a happy number.

It is a super-2 number, since 2×444523312² = 395201949822898688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338158 + ... + 339469.

Almost surely, 2^444523312 is an apocalyptic number.

It is an amenable number.

444523312 is a deficient number, since it is larger than the sum of its proper divisors (437748344).

444523312 is a wasteful number, since it uses less digits than its factorization.

444523312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677676 (or 677670 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 444523312 is about 21083.7214931330. The cubic root of 444523312 is about 763.1879661061.

Adding to 444523312 its reverse (213325444), we get a palindrome (657848756).

The spelling of 444523312 in words is "four hundred forty-four million, five hundred twenty-three thousand, three hundred twelve".