1444320300321 has 6 divisors (see below), whose sum is σ = 2086240433810. Its totient is φ = 962880200208.

The previous prime is 1444320300301. The next prime is 1444320300337. The reversal of 1444320300321 is 1230030234441.

1444320300321 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 32 + 0 + 300 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1416252324096 + 28067976225 = 1190064^2 + 167535^2 .

It is not a de Polignac number, because 1444320300321 - 2¹⁹ = 1444319776033 is a prime.

It is a super-2 number, since 2×1444320300321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444320300301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80240016676 + ... + 80240016693.

Almost surely, 2^{1444320300321} is an apocalyptic number.

It is an amenable number.

1444320300321 is a deficient number, since it is larger than the sum of its proper divisors (641920133489).

1444320300321 is a wasteful number, since it uses less digits than its factorization.

1444320300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160480033375 (or 160480033372 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1444320300321 its reverse (1230030234441), we get a palindrome (2674350534762).

The spelling of 1444320300321 in words is "one trillion, four hundred forty-four billion, three hundred twenty million, three hundred thousand, three hundred twenty-one".