404332440342 has 32 divisors (see below), whose sum is σ = 811485236832. Its totient is φ = 134307673344.

The previous prime is 404332440277. The next prime is 404332440359. The reversal of 404332440342 is 243044233404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6800688 + ... + 6859884.

It is an arithmetic number, because the mean of its divisors is an integer number (25358913651).

Almost surely, 2^404332440342 is an apocalyptic number.

404332440342 is an abundant number, since it is smaller than the sum of its proper divisors (407152796490).

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

404332440342 is a wasteful number, since it uses less digits than its factorization.

404332440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63152.

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

Adding to 404332440342 its reverse (243044233404), we get a palindrome (647376673746).

The spelling of 404332440342 in words is "four hundred four billion, three hundred thirty-two million, four hundred forty thousand, three hundred forty-two".