4022404042 has 4 divisors (see below), whose sum is σ = 6033606066. Its totient is φ = 2011202020.

The previous prime is 4022404031. The next prime is 4022404073. The reversal of 4022404042 is 2404042204.

4022404042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3505705681 + 516698361 = 59209^2 + 22731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005601009 + ... + 1005601012.

Almost surely, 2^4022404042 is an apocalyptic number.

4022404042 is a deficient number, since it is larger than the sum of its proper divisors (2011202024).

4022404042 is a wasteful number, since it uses less digits than its factorization.

4022404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011202023.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4022404042 is about 63422.4253872398. The cubic root of 4022404042 is about 1590.3592192345.

Adding to 4022404042 its reverse (2404042204), we get a palindrome (6426446246).

The spelling of 4022404042 in words is "four billion, twenty-two million, four hundred four thousand, forty-two".