1440043241313 has 8 divisors (see below), whose sum is σ = 1923504798528. Its totient is φ = 958305255824.

The previous prime is 1440043241281. The next prime is 1440043241323. The reversal of 1440043241313 is 3131423400441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440043241313 - 2⁵ = 1440043241281 is a prime.

It is a super-2 number, since 2×1440043241313² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1440043241323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430890981 + ... + 430894322.

It is an arithmetic number, because the mean of its divisors is an integer number (240438099816).

Almost surely, 2^{1440043241313} is an apocalyptic number.

It is an amenable number.

1440043241313 is a deficient number, since it is larger than the sum of its proper divisors (483461557215).

1440043241313 is an equidigital number, since it uses as much as digits as its factorization.

1440043241313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861785863.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1440043241313 its reverse (3131423400441), we get a palindrome (4571466641754).

The spelling of 1440043241313 in words is "one trillion, four hundred forty billion, forty-three million, two hundred forty-one thousand, three hundred thirteen".