404042410221211 has 8 divisors (see below), whose sum is σ = 414627476765040. Its totient is φ = 393567033486432.

The previous prime is 404042410221127. The next prime is 404042410221227. The reversal of 404042410221211 is 112122014240404.

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

It is a cyclic number.

It is not a de Polignac number, because 404042410221211 - 2¹¹ = 404042410219163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404042410221211.

It is not an unprimeable number, because it can be changed into a prime (404042410221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27422444800 + ... + 27422459533.

It is an arithmetic number, because the mean of its divisors is an integer number (51828434595630).

Almost surely, 2^{404042410221211} is an apocalyptic number.

404042410221211 is a deficient number, since it is larger than the sum of its proper divisors (10585066543829).

404042410221211 is a wasteful number, since it uses less digits than its factorization.

404042410221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54844904525.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 404042410221211 its reverse (112122014240404), we get a palindrome (516164424461615).

The spelling of 404042410221211 in words is "four hundred four trillion, forty-two billion, four hundred ten million, two hundred twenty-one thousand, two hundred eleven".