4042205531 has 16 divisors (see below), whose sum is σ = 5080879104. Its totient is φ = 3130177824.

The previous prime is 4042205509. The next prime is 4042205533. The reversal of 4042205531 is 1355022404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4042205531 - 2⁶ = 4042205467 is a prime.

It is a super-2 number, since 2×4042205531² = 32678851109693983922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4042205531.

It is not an unprimeable number, because it can be changed into a prime (4042205533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468275 + ... + 476828.

It is an arithmetic number, because the mean of its divisors is an integer number (317554944).

Almost surely, 2^4042205531 is an apocalyptic number.

4042205531 is a deficient number, since it is larger than the sum of its proper divisors (1038673573).

4042205531 is a wasteful number, since it uses less digits than its factorization.

4042205531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945170.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4042205531 is about 63578.3416817394. The cubic root of 4042205531 is about 1592.9646218499.

Adding to 4042205531 its reverse (1355022404), we get a palindrome (5397227935).

The spelling of 4042205531 in words is "four billion, forty-two million, two hundred five thousand, five hundred thirty-one".