4042143422 has 16 divisors (see below), whose sum is σ = 6129302400. Its totient is φ = 1999082400.

The previous prime is 4042143401. The next prime is 4042143461. The reversal of 4042143422 is 2243412404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4042143391 and 4042143400.

It is a congruent number.

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, 206579 + ... + 225297.

It is an arithmetic number, because the mean of its divisors is an integer number (383081400).

Almost surely, 2^4042143422 is an apocalyptic number.

4042143422 is a deficient number, since it is larger than the sum of its proper divisors (2087158978).

4042143422 is a wasteful number, since it uses less digits than its factorization.

4042143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19891.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4042143422 is about 63577.8532352265. The cubic root of 4042143422 is about 1592.9564631071.

Adding to 4042143422 its reverse (2243412404), we get a palindrome (6285555826).

The spelling of 4042143422 in words is "four billion, forty-two million, one hundred forty-three thousand, four hundred twenty-two".