4042055 has 8 divisors (see below), whose sum is σ = 4864272. Its totient is φ = 3224448.

The previous prime is 4042037. The next prime is 4042057. The reversal of 4042055 is 5502404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4042055 - 2¹⁶ = 3976519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042057) 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, 1232 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (608034).

Almost surely, 2^4042055 is an apocalyptic number.

4042055 is a deficient number, since it is larger than the sum of its proper divisors (822217).

4042055 is a wasteful number, since it uses less digits than its factorization.

4042055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4042055 is about 2010.4862595900. The cubic root of 4042055 is about 159.2944847700.

Adding to 4042055 its reverse (5502404), we get a palindrome (9544459).

The spelling of 4042055 in words is "four million, forty-two thousand, fifty-five".