404310022421413 has 4 divisors (see below), whose sum is σ = 404310947374188. Its totient is φ = 404309097468640.

The previous prime is 404310022421387. The next prime is 404310022421441. The reversal of 404310022421413 is 314124220013404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379661250070404 + 24648772351009 = 19484898^2 + 4964753^2 .

It is a cyclic number.

It is not a de Polignac number, because 404310022421413 - 2⁵ = 404310022421381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404310022121413) 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 3 ways as a sum of consecutive naturals, for example, 461820406 + ... + 462695047.

It is an arithmetic number, because the mean of its divisors is an integer number (101077736843547).

Almost surely, 2^{404310022421413} is an apocalyptic number.

It is an amenable number.

404310022421413 is a deficient number, since it is larger than the sum of its proper divisors (924952775).

404310022421413 is an equidigital number, since it uses as much as digits as its factorization.

404310022421413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924952774.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 404310022421413 its reverse (314124220013404), we get a palindrome (718434242434817).

The spelling of 404310022421413 in words is "four hundred four trillion, three hundred ten billion, twenty-two million, four hundred twenty-one thousand, four hundred thirteen".