4021444344002 has 16 divisors (see below), whose sum is σ = 6063010402680. Its totient is φ = 2000441630208.

The previous prime is 4021444343921. The next prime is 4021444344011. The reversal of 4021444344002 is 2004434441204.

It can be written as a sum of positive squares in 4 ways, for example, as 3999324028561 + 22120315441 = 1999831^2 + 148729^2 .

It is a super-2 number, since 2×4021444344002² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021444344002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11405618 + ... + 11752914.

Almost surely, 2^{4021444344002} is an apocalyptic number.

4021444344002 is a deficient number, since it is larger than the sum of its proper divisors (2041566058678).

4021444344002 is a wasteful number, since it uses less digits than its factorization.

4021444344002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376885.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4021444344002 its reverse (2004434441204), we get a palindrome (6025878785206).

The spelling of 4021444344002 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred forty-four thousand, two".