4042343321434 has 16 divisors (see below), whose sum is σ = 6614949123936. Its totient is φ = 1837371697200.

The previous prime is 4042343321381. The next prime is 4042343321479. The reversal of 4042343321434 is 4341233432404.

It is a junction number, because it is equal to n+sod(n) for n = 4042343321393 and 4042343321402.

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, 2125917 + ... + 3550240.

It is an arithmetic number, because the mean of its divisors is an integer number (413434320246).

Almost surely, 2^{4042343321434} is an apocalyptic number.

4042343321434 is a deficient number, since it is larger than the sum of its proper divisors (2572605802502).

4042343321434 is a wasteful number, since it uses less digits than its factorization.

4042343321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708541.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 4042343321434 its reverse (4341233432404), we get a palindrome (8383576753838).

The spelling of 4042343321434 in words is "four trillion, forty-two billion, three hundred forty-three million, three hundred twenty-one thousand, four hundred thirty-four".