404403214408 has 8 divisors (see below), whose sum is σ = 758256027030. Its totient is φ = 202201607200.

The previous prime is 404403214403. The next prime is 404403214427. The reversal of 404403214408 is 804412304404.

It can be written as a sum of positive squares in only one way, i.e., 404289962244 + 113252164 = 635838^2 + 10642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (404403214403) by changing a digit.

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 as a sum of consecutive naturals, namely, 25275200893 + ... + 25275200908.

Almost surely, 2^404403214408 is an apocalyptic number.

It is an amenable number.

404403214408 is a deficient number, since it is larger than the sum of its proper divisors (353852812622).

404403214408 is a wasteful number, since it uses less digits than its factorization.

404403214408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550401807 (or 50550401803 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The spelling of 404403214408 in words is "four hundred four billion, four hundred three million, two hundred fourteen thousand, four hundred eight".