404042206 has 8 divisors (see below), whose sum is σ = 606537360. Its totient is φ = 201863088.

The previous prime is 404042203. The next prime is 404042209. The reversal of 404042206 is 602240404.

It is an interprime number because it is at equal distance from previous prime (404042203) and next prime (404042209).

It is a sphenic number, since it is the product of 3 distinct primes.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75786 + ... + 80941.

It is an arithmetic number, because the mean of its divisors is an integer number (75817170).

Almost surely, 2^404042206 is an apocalyptic number.

404042206 is a deficient number, since it is larger than the sum of its proper divisors (202495154).

404042206 is a wasteful number, since it uses less digits than its factorization.

404042206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158018.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404042206 is about 20100.8011283133. The cubic root of 404042206 is about 739.2799216428.

The spelling of 404042206 in words is "four hundred four million, forty-two thousand, two hundred six".