404342221342 has 8 divisors (see below), whose sum is σ = 619417871136. Its totient is φ = 197869597632.

The previous prime is 404342221331. The next prime is 404342221357. The reversal of 404342221342 is 243122243404.

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

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 3 ways as a sum of consecutive naturals, for example, 2150756403 + ... + 2150756590.

It is an arithmetic number, because the mean of its divisors is an integer number (77427233892).

Almost surely, 2^404342221342 is an apocalyptic number.

404342221342 is a deficient number, since it is larger than the sum of its proper divisors (215075649794).

404342221342 is a wasteful number, since it uses less digits than its factorization.

404342221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301513042.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 404342221342 its reverse (243122243404), we get a palindrome (647464464746).

The spelling of 404342221342 in words is "four hundred four billion, three hundred forty-two million, two hundred twenty-one thousand, three hundred forty-two".