1444324421142 has 96 divisors (see below), whose sum is σ = 3267785600352. Its totient is φ = 460644268032.

The previous prime is 1444324421123. The next prime is 1444324421261. The reversal of 1444324421142 is 2411244234441.

1444324421142 is a `hidden beast` number, since 1 + 4 + 4 + 432 + 4 + 4 + 211 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1444324421097 and 1444324421106.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10071313 + ... + 10213715.

It is an arithmetic number, because the mean of its divisors is an integer number (34039433337).

Almost surely, 2^{1444324421142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444324421142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633892800176).

1444324421142 is an abundant number, since it is smaller than the sum of its proper divisors (1823461179210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444324421142 is a wasteful number, since it uses less digits than its factorization.

1444324421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142702 (or 142699 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 1444324421142 its reverse (2411244234441), we get a palindrome (3855568655583).

The spelling of 1444324421142 in words is "one trillion, four hundred forty-four billion, three hundred twenty-four million, four hundred twenty-one thousand, one hundred forty-two".