404332342242 has 128 divisors (see below), whose sum is σ = 925657694208. Its totient is φ = 116990438400.

The previous prime is 404332342231. The next prime is 404332342247. The reversal of 404332342242 is 242243233404.

It is not an unprimeable number, because it can be changed into a prime (404332342247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20135067 + ... + 20155137.

It is an arithmetic number, because the mean of its divisors is an integer number (7231700736).

Almost surely, 2^404332342242 is an apocalyptic number.

404332342242 is an abundant number, since it is smaller than the sum of its proper divisors (521325351966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404332342242 is a wasteful number, since it uses less digits than its factorization.

404332342242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20424.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 404332342242 its reverse (242243233404), we get a palindrome (646575575646).

The spelling of 404332342242 in words is "four hundred four billion, three hundred thirty-two million, three hundred forty-two thousand, two hundred forty-two".