1444287446 has 24 divisors (see below), whose sum is σ = 2522211696. Its totient is φ = 618470160.

The previous prime is 1444287437. The next prime is 1444287457. The reversal of 1444287446 is 6447824441.

It is a junction number, because it is equal to n+sod(n) for n = 1444287397 and 1444287406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128576 + ... + 139356.

It is an arithmetic number, because the mean of its divisors is an integer number (105092154).

Almost surely, 2^1444287446 is an apocalyptic number.

1444287446 is a deficient number, since it is larger than the sum of its proper divisors (1077924250).

1444287446 is a wasteful number, since it uses less digits than its factorization.

1444287446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164 (or 12157 counting only the distinct ones).

The product of its digits is 688128, while the sum is 44.

The square root of 1444287446 is about 38003.7819960067. The cubic root of 1444287446 is about 1130.3628578602.

The spelling of 1444287446 in words is "one billion, four hundred forty-four million, two hundred eighty-seven thousand, four hundred forty-six".