1444344312 has 32 divisors (see below), whose sum is σ = 3727342080. Its totient is φ = 465917280.

The previous prime is 1444344289. The next prime is 1444344323. The reversal of 1444344312 is 2134434441.

It is a super-2 number, since 2×1444344312² = 4172260983213506688, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1444344312.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 969918 + ... + 971405.

It is an arithmetic number, because the mean of its divisors is an integer number (116479440).

Almost surely, 2^1444344312 is an apocalyptic number.

1444344312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444344312 is an abundant number, since it is smaller than the sum of its proper divisors (2282997768).

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

1444344312 is a wasteful number, since it uses less digits than its factorization.

1444344312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941363 (or 1941359 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1444344312 is about 38004.5301510228. The cubic root of 1444344312 is about 1130.3776929428.

Adding to 1444344312 its reverse (2134434441), we get a palindrome (3578778753).

The spelling of 1444344312 in words is "one billion, four hundred forty-four million, three hundred forty-four thousand, three hundred twelve".