4021444444442 has 8 divisors (see below), whose sum is σ = 6042104340096. Its totient is φ = 2007409664412.

The previous prime is 4021444444439. The next prime is 4021444444463. The reversal of 4021444444442 is 2444444441204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4021444444442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656277388 + ... + 1656279815.

It is an arithmetic number, because the mean of its divisors is an integer number (755263042512).

Almost surely, 2^{4021444444442} is an apocalyptic number.

4021444444442 is a deficient number, since it is larger than the sum of its proper divisors (2020659895654).

4021444444442 is a wasteful number, since it uses less digits than its factorization.

4021444444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312557812.

The product of its (nonzero) digits is 1048576, while the sum is 41.

Adding to 4021444444442 its reverse (2444444441204), we get a palindrome (6465888885646).

The spelling of 4021444444442 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".