4043142021342 has 32 divisors (see below), whose sum is σ = 8184550832640. Its totient is φ = 1331339549120.

The previous prime is 4043142021313. The next prime is 4043142021379. The reversal of 4043142021342 is 2431202413404.

It is a congruent 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, 4487242 + ... + 5312402.

It is an arithmetic number, because the mean of its divisors is an integer number (255767213520).

Almost surely, 2^{4043142021342} is an apocalyptic number.

4043142021342 is an abundant number, since it is smaller than the sum of its proper divisors (4141408811298).

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

4043142021342 is a wasteful number, since it uses less digits than its factorization.

4043142021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835088.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4043142021342 its reverse (2431202413404), we get a palindrome (6474344434746).

The spelling of 4043142021342 in words is "four trillion, forty-three billion, one hundred forty-two million, twenty-one thousand, three hundred forty-two".