4042402041 has 4 divisors (see below), whose sum is σ = 5389869392. Its totient is φ = 2694934692.

The previous prime is 4042402027. The next prime is 4042402043. The reversal of 4042402041 is 1402042404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4042402041 - 2⁶ = 4042401977 is a prime.

It is a super-2 number, since 2×4042402041² = 32682028522161931362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4042401999 and 4042402017.

It is not an unprimeable number, because it can be changed into a prime (4042402043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673733671 + ... + 673733676.

It is an arithmetic number, because the mean of its divisors is an integer number (1347467348).

Almost surely, 2^4042402041 is an apocalyptic number.

It is an amenable number.

4042402041 is a deficient number, since it is larger than the sum of its proper divisors (1347467351).

4042402041 is a wasteful number, since it uses less digits than its factorization.

4042402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347467350.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4042402041 is about 63579.8870791699. The cubic root of 4042402041 is about 1592.9904351840.

Adding to 4042402041 its reverse (1402042404), we get a palindrome (5444444445).

The spelling of 4042402041 in words is "four billion, forty-two million, four hundred two thousand, forty-one".