1002444444442 has 16 divisors (see below), whose sum is σ = 1808922306240. Its totient is φ = 407007518688.

The previous prime is 1002444444431. The next prime is 1002444444481. The reversal of 1002444444442 is 2444444442001.

It is an unprimeable number.

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, 1884293803 + ... + 1884294334.

It is an arithmetic number, because the mean of its divisors is an integer number (113057644140).

Almost surely, 2^{1002444444442} is an apocalyptic number.

1002444444442 is a deficient number, since it is larger than the sum of its proper divisors (806477861798).

1002444444442 is a wasteful number, since it uses less digits than its factorization.

1002444444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768588165.

The product of its (nonzero) digits is 262144, while the sum is 37.

Adding to 1002444444442 its reverse (2444444442001), we get a palindrome (3446888886443).

The spelling of 1002444444442 in words is "one trillion, two billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".