1444893316 has 12 divisors (see below), whose sum is σ = 2542534540. Its totient is φ = 718454880.

The previous prime is 1444893311. The next prime is 1444893319. The reversal of 1444893316 is 6133984441.

It can be written as a sum of positive squares in 2 ways, for example, as 583705600 + 861187716 = 24160^2 + 29346^2 .

It is not an unprimeable number, because it can be changed into a prime (1444893311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997131 + ... + 998578.

Almost surely, 2^1444893316 is an apocalyptic number.

It is an amenable number.

1444893316 is a deficient number, since it is larger than the sum of its proper divisors (1097641224).

1444893316 is a wasteful number, since it uses less digits than its factorization.

1444893316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995894 (or 1995892 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 1444893316 is about 38011.7523405591. The cubic root of 1444893316 is about 1130.5208959306.

The spelling of 1444893316 in words is "one billion, four hundred forty-four million, eight hundred ninety-three thousand, three hundred sixteen".