404224440423 has 16 divisors (see below), whose sum is σ = 557065022976. Its totient is φ = 260571570560.

The previous prime is 404224440397. The next prime is 404224440439. The reversal of 404224440423 is 324044422404.

It is a cyclic number.

It is not a de Polignac number, because 404224440423 - 2¹⁴ = 404224424039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404224440023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17258418 + ... + 17281823.

It is an arithmetic number, because the mean of its divisors is an integer number (34816563936).

Almost surely, 2^404224440423 is an apocalyptic number.

404224440423 is a deficient number, since it is larger than the sum of its proper divisors (152840582553).

404224440423 is a wasteful number, since it uses less digits than its factorization.

404224440423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34540374.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 404224440423 its reverse (324044422404), we get a palindrome (728268862827).

The spelling of 404224440423 in words is "four hundred four billion, two hundred twenty-four million, four hundred forty thousand, four hundred twenty-three".