4021442204042 has 16 divisors (see below), whose sum is σ = 6204827422080. Its totient is φ = 1953781955328.

The previous prime is 4021442203973. The next prime is 4021442204047. The reversal of 4021442204042 is 2404022441204.

It is a happy number.

It is a super-2 number, since 2×4021442204042² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021442203996 and 4021442204014.

It is not an unprimeable number, because it can be changed into a prime (4021442204047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153876503 + ... + 153902634.

It is an arithmetic number, because the mean of its divisors is an integer number (387801713880).

Almost surely, 2^{4021442204042} is an apocalyptic number.

4021442204042 is a deficient number, since it is larger than the sum of its proper divisors (2183385218038).

4021442204042 is a wasteful number, since it uses less digits than its factorization.

4021442204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307779325.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 4021442204042 its reverse (2404022441204), we get a palindrome (6425464645246).

The spelling of 4021442204042 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred four thousand, forty-two".