444666396 has 48 divisors (see below), whose sum is σ = 1093629600. Its totient is φ = 140404992.

The previous prime is 444666379. The next prime is 444666401. The reversal of 444666396 is 693666444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6390 + ... + 30498.

It is an arithmetic number, because the mean of its divisors is an integer number (22783950).

Almost surely, 2^444666396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444666396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546814800).

444666396 is an abundant number, since it is smaller than the sum of its proper divisors (648963204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444666396 is a wasteful number, since it uses less digits than its factorization.

444666396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24198 (or 24196 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 48.

The square root of 444666396 is about 21087.1144540926. The cubic root of 444666396 is about 763.2698427813.

Adding to 444666396 its sum of digits (48), we get a palindrome (444666444).

The spelling of 444666396 in words is "four hundred forty-four million, six hundred sixty-six thousand, three hundred ninety-six".