404340344011 has 8 divisors (see below), whose sum is σ = 421947730080. Its totient is φ = 386735238912.

The previous prime is 404340343991. The next prime is 404340344039. The reversal of 404340344011 is 110443043404.

It is a happy number.

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 404340344011 - 2²³ = 404331955403 is a prime.

It is a super-2 number, since 2×404340344011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404340344071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202950 + ... + 921883.

It is an arithmetic number, because the mean of its divisors is an integer number (52743466260).

Almost surely, 2^404340344011 is an apocalyptic number.

404340344011 is a deficient number, since it is larger than the sum of its proper divisors (17607386069).

404340344011 is a wasteful number, since it uses less digits than its factorization.

404340344011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140485.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 404340344011 its reverse (110443043404), we get a palindrome (514783387415).

The spelling of 404340344011 in words is "four hundred four billion, three hundred forty million, three hundred forty-four thousand, eleven".