1444244450451 has 8 divisors (see below), whose sum is σ = 2100719200704. Its totient is φ = 875299666920.

The previous prime is 1444244450393. The next prime is 1444244450459. The reversal of 1444244450451 is 1540544424441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1444244450451 - 2⁶ = 1444244450387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444244450459) 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 7 ways as a sum of consecutive naturals, for example, 21882491641 + ... + 21882491706.

It is an arithmetic number, because the mean of its divisors is an integer number (262589900088).

Almost surely, 2^{1444244450451} is an apocalyptic number.

1444244450451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1444244450451 is a deficient number, since it is larger than the sum of its proper divisors (656474750253).

1444244450451 is a wasteful number, since it uses less digits than its factorization.

1444244450451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43764983361.

The product of its (nonzero) digits is 819200, while the sum is 42.

Adding to 1444244450451 its reverse (1540544424441), we get a palindrome (2984788874892).

The spelling of 1444244450451 in words is "one trillion, four hundred forty-four billion, two hundred forty-four million, four hundred fifty thousand, four hundred fifty-one".