1441440221001 has 24 divisors (see below), whose sum is σ = 2149025230752. Its totient is φ = 852292780800.

The previous prime is 1441440220981. The next prime is 1441440221009. The reversal of 1441440221001 is 1001220441441.

It is a de Polignac number, because none of the positive numbers 2^k-1441440221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1441440221009) 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 23 ways as a sum of consecutive naturals, for example, 12936796 + ... + 13047741.

It is an arithmetic number, because the mean of its divisors is an integer number (89542717948).

Almost surely, 2^{1441440221001} is an apocalyptic number.

1441440221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1441440221001 is a deficient number, since it is larger than the sum of its proper divisors (707585009751).

1441440221001 is a wasteful number, since it uses less digits than its factorization.

1441440221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25984633 (or 25984592 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1441440221001 its reverse (1001220441441), we get a palindrome (2442660662442).

The spelling of 1441440221001 in words is "one trillion, four hundred forty-one billion, four hundred forty million, two hundred twenty-one thousand, one".