404014331405 has 8 divisors (see below), whose sum is σ = 484864897272. Its totient is φ = 323179665408.

The previous prime is 404014331381. The next prime is 404014331423. The reversal of 404014331405 is 504133410404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 164656596841 + 239357734564 = 405779^2 + 489242^2 .

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 404014331405 - 2¹⁴ = 404014315021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918992 + ... + 4020761.

It is an arithmetic number, because the mean of its divisors is an integer number (60608112159).

Almost surely, 2^404014331405 is an apocalyptic number.

It is an amenable number.

404014331405 is a deficient number, since it is larger than the sum of its proper divisors (80850565867).

404014331405 is a wasteful number, since it uses less digits than its factorization.

404014331405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949935.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 404014331405 its reverse (504133410404), we get a palindrome (908147741809).

The spelling of 404014331405 in words is "four hundred four billion, fourteen million, three hundred thirty-one thousand, four hundred five".