1440444140312 has 8 divisors (see below), whose sum is σ = 2700832763100. Its totient is φ = 720222070152.

The previous prime is 1440444140287. The next prime is 1440444140347. The reversal of 1440444140312 is 2130414440441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90027758762 + ... + 90027758777.

Almost surely, 2^{1440444140312} is an apocalyptic number.

It is an amenable number.

1440444140312 is a deficient number, since it is larger than the sum of its proper divisors (1260388622788).

1440444140312 is a wasteful number, since it uses less digits than its factorization.

1440444140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180055517545 (or 180055517541 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1440444140312 its reverse (2130414440441), we get a palindrome (3570858580753).

The spelling of 1440444140312 in words is "one trillion, four hundred forty billion, four hundred forty-four million, one hundred forty thousand, three hundred twelve".