4042122402342 has 16 divisors (see below), whose sum is σ = 8091682025472. Its totient is φ = 1346134597320.

The previous prime is 4042122402341. The next prime is 4042122402401. The reversal of 4042122402342 is 2432042212404.

It is a happy number.

It is a super-2 number, since 2×4042122402342² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042122402341) 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, 309877134 + ... + 309890177.

It is an arithmetic number, because the mean of its divisors is an integer number (505730126592).

Almost surely, 2^{4042122402342} is an apocalyptic number.

4042122402342 is an abundant number, since it is smaller than the sum of its proper divisors (4049559623130).

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

4042122402342 is a wasteful number, since it uses less digits than its factorization.

4042122402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619768403.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4042122402342 its reverse (2432042212404), we get a palindrome (6474164614746).

The spelling of 4042122402342 in words is "four trillion, forty-two billion, one hundred twenty-two million, four hundred two thousand, three hundred forty-two".