1440243320344 has 8 divisors (see below), whose sum is σ = 2700456225660. Its totient is φ = 720121660168.

The previous prime is 1440243320303. The next prime is 1440243320353. The reversal of 1440243320344 is 4430233420441.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90015207514 + ... + 90015207529.

Almost surely, 2^{1440243320344} is an apocalyptic number.

It is an amenable number.

1440243320344 is a deficient number, since it is larger than the sum of its proper divisors (1260212905316).

1440243320344 is a wasteful number, since it uses less digits than its factorization.

1440243320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180030415049 (or 180030415045 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 1440243320344 its reverse (4430233420441), we get a palindrome (5870476740785).

The spelling of 1440243320344 in words is "one trillion, four hundred forty billion, two hundred forty-three million, three hundred twenty thousand, three hundred forty-four".