404042204 has 6 divisors (see below), whose sum is σ = 707073864. Its totient is φ = 202021100.

The previous prime is 404042203. The next prime is 404042209. The reversal of 404042204 is 402240404.

It is a super-3 number, since 3×404042204³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404042203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505272 + ... + 50505279.

It is an arithmetic number, because the mean of its divisors is an integer number (117845644).

Almost surely, 2^404042204 is an apocalyptic number.

It is an amenable number.

404042204 is a deficient number, since it is larger than the sum of its proper divisors (303031660).

404042204 is a wasteful number, since it uses less digits than its factorization.

404042204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010555 (or 101010553 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404042204 is about 20100.8010785640. The cubic root of 404042204 is about 739.2799204230.

Adding to 404042204 its reverse (402240404), we get a palindrome (806282608).

The spelling of 404042204 in words is "four hundred four million, forty-two thousand, two hundred four".