1444144412 has 12 divisors (see below), whose sum is σ = 2530207680. Its totient is φ = 721227936.

The previous prime is 1444144409. The next prime is 1444144433. The reversal of 1444144412 is 2144414441.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207212 + ... + 214067.

It is an arithmetic number, because the mean of its divisors is an integer number (210850640).

Almost surely, 2^1444144412 is an apocalyptic number.

It is an amenable number.

1444144412 is a deficient number, since it is larger than the sum of its proper divisors (1086063268).

1444144412 is a wasteful number, since it uses less digits than its factorization.

1444144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422140 (or 422138 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 1444144412 is about 38001.9001103892. The cubic root of 1444144412 is about 1130.3255417292.

Adding to 1444144412 its reverse (2144414441), we get a palindrome (3588558853).

It can be divided in two parts, 144414441 and 2, that multiplied together give a palindrome (288828882).

The spelling of 1444144412 in words is "one billion, four hundred forty-four million, one hundred forty-four thousand, four hundred twelve".