1444040220331 has 4 divisors (see below), whose sum is σ = 1483068334432. Its totient is φ = 1405012106232.

The previous prime is 1444040220319. The next prime is 1444040220451. The reversal of 1444040220331 is 1330220404441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444040220331 - 2²⁹ = 1443503349419 is a prime.

It is a super-2 number, since 2×1444040220331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444040220331.

It is not an unprimeable number, because it can be changed into a prime (1444040220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19514056995 + ... + 19514057068.

It is an arithmetic number, because the mean of its divisors is an integer number (370767083608).

Almost surely, 2^{1444040220331} is an apocalyptic number.

1444040220331 is a deficient number, since it is larger than the sum of its proper divisors (39028114101).

1444040220331 is an equidigital number, since it uses as much as digits as its factorization.

1444040220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39028114100.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1444040220331 its reverse (1330220404441), we get a palindrome (2774260624772).

The spelling of 1444040220331 in words is "one trillion, four hundred forty-four billion, forty million, two hundred twenty thousand, three hundred thirty-one".