4021442331342 has 32 divisors (see below), whose sum is σ = 8406133758720. Its totient is φ = 1280127573120.

The previous prime is 4021442331323. The next prime is 4021442331377. The reversal of 4021442331342 is 2431332441204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23453259 + ... + 23624102.

It is an arithmetic number, because the mean of its divisors is an integer number (262691679960).

Almost surely, 2^{4021442331342} is an apocalyptic number.

4021442331342 is an abundant number, since it is smaller than the sum of its proper divisors (4384691427378).

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

4021442331342 is a wasteful number, since it uses less digits than its factorization.

4021442331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47078008.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4021442331342 its reverse (2431332441204), we get a palindrome (6452774772546).

The spelling of 4021442331342 in words is "four trillion, twenty-one billion, four hundred forty-two million, three hundred thirty-one thousand, three hundred forty-two".