4444142200105 has 4 divisors (see below), whose sum is σ = 5332970640132. Its totient is φ = 3555313760080.

The previous prime is 4444142200063. The next prime is 4444142200109. The reversal of 4444142200105 is 5010022414444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1725933807504 + 2718208392601 = 1313748^2 + 1648699^2 .

It is not a de Polignac number, because 4444142200105 - 2¹¹ = 4444142198057 is a prime.

It is a super-2 number, since 2×4444142200105² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444142200109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444414220006 + ... + 444414220015.

It is an arithmetic number, because the mean of its divisors is an integer number (1333242660033).

Almost surely, 2^{4444142200105} is an apocalyptic number.

It is an amenable number.

4444142200105 is a deficient number, since it is larger than the sum of its proper divisors (888828440027).

4444142200105 is an equidigital number, since it uses as much as digits as its factorization.

4444142200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888828440026.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 4444142200105 its reverse (5010022414444), we get a palindrome (9454164614549).

The spelling of 4444142200105 in words is "four trillion, four hundred forty-four billion, one hundred forty-two million, two hundred thousand, one hundred five".