404022004042 has 16 divisors (see below), whose sum is σ = 606370049640. Its totient is φ = 201898692288.

The previous prime is 404022004027. The next prime is 404022004069. The reversal of 404022004042 is 240400220404.

It can be written as a sum of positive squares in 4 ways, for example, as 79439986201 + 324582017841 = 281851^2 + 569721^2 .

It is a super-2 number, since 2×404022004042² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42990088 + ... + 42999484.

Almost surely, 2^404022004042 is an apocalyptic number.

404022004042 is a deficient number, since it is larger than the sum of its proper divisors (202348045598).

404022004042 is a wasteful number, since it uses less digits than its factorization.

404022004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19065.

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

Adding to 404022004042 its reverse (240400220404), we get a palindrome (644422224446).

The spelling of 404022004042 in words is "four hundred four billion, twenty-two million, four thousand, forty-two".