4021444444202 has 4 divisors (see below), whose sum is σ = 6032166666306. Its totient is φ = 2010722222100.

The previous prime is 4021444444201. The next prime is 4021444444247. The reversal of 4021444444202 is 2024444441204.

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., 2051629387201 + 1969815057001 = 1432351^2 + 1403501^2 .

It is not an unprimeable number, because it can be changed into a prime (4021444444201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005361111049 + ... + 1005361111052.

Almost surely, 2^{4021444444202} is an apocalyptic number.

4021444444202 is a deficient number, since it is larger than the sum of its proper divisors (2010722222104).

4021444444202 is a wasteful number, since it uses less digits than its factorization.

4021444444202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010722222103.

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 4021444444202 its reverse (2024444441204), we get a palindrome (6045888885406).

The spelling of 4021444444202 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, two hundred two".