1444404801441 has 48 divisors (see below), whose sum is σ = 2415729476160. Its totient is φ = 762861818880.

The previous prime is 1444404801409. The next prime is 1444404801443. The reversal of 1444404801441 is 1441084044441.

It is not a de Polignac number, because 1444404801441 - 2⁵ = 1444404801409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444404801441.

It is not an unprimeable number, because it can be changed into a prime (1444404801443) 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 47 ways as a sum of consecutive naturals, for example, 6192216 + ... + 6421241.

It is an arithmetic number, because the mean of its divisors is an integer number (50327697420).

Almost surely, 2^{1444404801441} is an apocalyptic number.

It is an amenable number.

1444404801441 is a deficient number, since it is larger than the sum of its proper divisors (971324674719).

1444404801441 is a wasteful number, since it uses less digits than its factorization.

1444404801441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613534 (or 12613527 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 39.

Adding to 1444404801441 its reverse (1441084044441), we get a palindrome (2885488845882).

The spelling of 1444404801441 in words is "one trillion, four hundred forty-four billion, four hundred four million, eight hundred one thousand, four hundred forty-one".