1000444113442 has 4 divisors (see below), whose sum is σ = 1500666170166. Its totient is φ = 500222056720.

The previous prime is 1000444113437. The next prime is 1000444113469. The reversal of 1000444113442 is 2443114440001.

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

It can be written as a sum of positive squares in only one way, i.e., 968159570401 + 32284543041 = 983951^2 + 179679^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1000444113442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250111028359 + ... + 250111028362.

Almost surely, 2^{1000444113442} is an apocalyptic number.

1000444113442 is a deficient number, since it is larger than the sum of its proper divisors (500222056724).

1000444113442 is an equidigital number, since it uses as much as digits as its factorization.

1000444113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500222056723.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1000444113442 its reverse (2443114440001), we get a palindrome (3443558553443).

The spelling of 1000444113442 in words is "one trillion, four hundred forty-four million, one hundred thirteen thousand, four hundred forty-two".