404440022442 has 8 divisors (see below), whose sum is σ = 808880044896. Its totient is φ = 134813340812.

The previous prime is 404440022387. The next prime is 404440022443. The reversal of 404440022442 is 244220044404.

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

404440022442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (404440022443) 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, 33703335198 + ... + 33703335209.

It is an arithmetic number, because the mean of its divisors is an integer number (101110005612).

Almost surely, 2^404440022442 is an apocalyptic number.

404440022442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404440022442 is a wasteful number, since it uses less digits than its factorization.

404440022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67406670412.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404440022442 its reverse (244220044404), we get a palindrome (648660066846).

The spelling of 404440022442 in words is "four hundred four billion, four hundred forty million, twenty-two thousand, four hundred forty-two".