404040204242 has 16 divisors (see below), whose sum is σ = 618666574464. Its totient is φ = 197855700000.

The previous prime is 404040204241. The next prime is 404040204247. The reversal of 404040204242 is 242402040404.

It is not an unprimeable number, because it can be changed into a prime (404040204241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400259 + ... + 9443142.

It is an arithmetic number, because the mean of its divisors is an integer number (38666660904).

Almost surely, 2^404040204242 is an apocalyptic number.

404040204242 is a deficient number, since it is larger than the sum of its proper divisors (214626370222).

404040204242 is a wasteful number, since it uses less digits than its factorization.

404040204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18843625.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 404040204242 its reverse (242402040404), we get a palindrome (646442244646).

The spelling of 404040204242 in words is "four hundred four billion, forty million, two hundred four thousand, two hundred forty-two".