4042134040243 has 16 divisors (see below), whose sum is σ = 4567152739072. Its totient is φ = 3551645232000.

The previous prime is 4042134040199. The next prime is 4042134040291. The reversal of 4042134040243 is 3420404312404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042134040243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (4042134041243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82189428 + ... + 82238593.

It is an arithmetic number, because the mean of its divisors is an integer number (285447046192).

Almost surely, 2^{4042134040243} is an apocalyptic number.

4042134040243 is a deficient number, since it is larger than the sum of its proper divisors (525018698829).

4042134040243 is a wasteful number, since it uses less digits than its factorization.

4042134040243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164428126.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4042134040243 its reverse (3420404312404), we get a palindrome (7462538352647).

The spelling of 4042134040243 in words is "four trillion, forty-two billion, one hundred thirty-four million, forty thousand, two hundred forty-three".