404440212120242 has 8 divisors (see below), whose sum is σ = 607926832416000. Its totient is φ = 201797934648244.

The previous prime is 404440212120209. The next prime is 404440212120251. The reversal of 404440212120242 is 242021212044404.

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

It is a super-2 number, since 2×404440212120242² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404440212120199 and 404440212120208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211085704742 + ... + 211085706657.

It is an arithmetic number, because the mean of its divisors is an integer number (75990854052000).

Almost surely, 2^{404440212120242} is an apocalyptic number.

404440212120242 is a deficient number, since it is larger than the sum of its proper divisors (203486620295758).

404440212120242 is a wasteful number, since it uses less digits than its factorization.

404440212120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422171411880.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 404440212120242 its reverse (242021212044404), we get a palindrome (646461424164646).

The spelling of 404440212120242 in words is "four hundred four trillion, four hundred forty billion, two hundred twelve million, one hundred twenty thousand, two hundred forty-two".