1444442312 has 8 divisors (see below), whose sum is σ = 2708329350. Its totient is φ = 722221152.

The previous prime is 1444442291. The next prime is 1444442317. The reversal of 1444442312 is 2132444441.

It can be written as a sum of positive squares in only one way, i.e., 1359691876 + 84750436 = 36874^2 + 9206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1444442317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90277637 + ... + 90277652.

Almost surely, 2^1444442312 is an apocalyptic number.

It is an amenable number.

1444442312 is a deficient number, since it is larger than the sum of its proper divisors (1263887038).

1444442312 is a wasteful number, since it uses less digits than its factorization.

1444442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180555295 (or 180555291 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1444442312 is about 38005.8194491317. The cubic root of 1444442312 is about 1130.4032580632.

Adding to 1444442312 its reverse (2132444441), we get a palindrome (3576886753).

The spelling of 1444442312 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, three hundred twelve".