4021442323242 has 32 divisors (see below), whose sum is σ = 8663082616320. Its totient is φ = 1240395917040.

The previous prime is 4021442323237. The next prime is 4021442323259. The reversal of 4021442323242 is 2423232441204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410178934 + ... + 410188737.

It is an arithmetic number, because the mean of its divisors is an integer number (270721331760).

Almost surely, 2^{4021442323242} is an apocalyptic number.

4021442323242 is an abundant number, since it is smaller than the sum of its proper divisors (4641640293078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021442323242 is a wasteful number, since it uses less digits than its factorization.

4021442323242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820367738.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4021442323242 its reverse (2423232441204), we get a palindrome (6444674764446).

The spelling of 4021442323242 in words is "four trillion, twenty-one billion, four hundred forty-two million, three hundred twenty-three thousand, two hundred forty-two".