404403214399 has 4 divisors (see below), whose sum is σ = 404456877664. Its totient is φ = 404349551136.

The previous prime is 404403214379. The next prime is 404403214403. The reversal of 404403214399 is 993412304404.

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

It is a cyclic number.

It is not a de Polignac number, because 404403214399 - 2¹⁵ = 404403181631 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 (404403214379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26820327 + ... + 26835400.

It is an arithmetic number, because the mean of its divisors is an integer number (101114219416).

Almost surely, 2^404403214399 is an apocalyptic number.

404403214399 is a deficient number, since it is larger than the sum of its proper divisors (53663265).

404403214399 is an equidigital number, since it uses as much as digits as its factorization.

404403214399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53663264.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 404403214399 in words is "four hundred four billion, four hundred three million, two hundred fourteen thousand, three hundred ninety-nine".