1444534040631 has 16 divisors (see below), whose sum is σ = 2107160899200. Its totient is φ = 872966644320.

The previous prime is 1444534040603. The next prime is 1444534040641. The reversal of 1444534040631 is 1360404354441.

It is not a de Polignac number, because 1444534040631 - 2⁹ = 1444534040119 is a prime.

It is a super-2 number, since 2×1444534040631² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1444534040631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444534040641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62701605 + ... + 62724638.

It is an arithmetic number, because the mean of its divisors is an integer number (131697556200).

Almost surely, 2^{1444534040631} is an apocalyptic number.

1444534040631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1444534040631 is a deficient number, since it is larger than the sum of its proper divisors (662626858569).

1444534040631 is a wasteful number, since it uses less digits than its factorization.

1444534040631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125426606.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 1444534040631 in words is "one trillion, four hundred forty-four billion, five hundred thirty-four million, forty thousand, six hundred thirty-one".