1444404801671 has 16 divisors (see below), whose sum is σ = 1584495360000. Its totient is φ = 1308623027040.

The previous prime is 1444404801617. The next prime is 1444404801709. The reversal of 1444404801671 is 1761084044441.

It is not a de Polignac number, because 1444404801671 - 2³⁰ = 1443331059847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444404801971) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 3302921 + ... + 3714578.

It is an arithmetic number, because the mean of its divisors is an integer number (99030960000).

Almost surely, 2^{1444404801671} is an apocalyptic number.

1444404801671 is a deficient number, since it is larger than the sum of its proper divisors (140090558329).

1444404801671 is a wasteful number, since it uses less digits than its factorization.

1444404801671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017806.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 1444404801671 in words is "one trillion, four hundred forty-four billion, four hundred four million, eight hundred one thousand, six hundred seventy-one".