444144312 has 48 divisors (see below), whose sum is σ = 1273652640. Its totient is φ = 139339008.

The previous prime is 444144307. The next prime is 444144317. The reversal of 444144312 is 213441444.

It is an interprime number because it is at equal distance from previous prime (444144307) and next prime (444144317).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444144317) 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, 180208 + ... + 182655.

It is an arithmetic number, because the mean of its divisors is an integer number (26534430).

Almost surely, 2^444144312 is an apocalyptic number.

It is an amenable number.

444144312 is an abundant number, since it is smaller than the sum of its proper divisors (829508328).

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

444144312 is a wasteful number, since it uses less digits than its factorization.

444144312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362892 (or 362885 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 444144312 is about 21074.7315997144. The cubic root of 444144312 is about 762.9710067442.

Adding to 444144312 its reverse (213441444), we get a palindrome (657585756).

The spelling of 444144312 in words is "four hundred forty-four million, one hundred forty-four thousand, three hundred twelve".