404200440401 has 4 divisors (see below), whose sum is σ = 406458543600. Its totient is φ = 401942337204.

The previous prime is 404200440361. The next prime is 404200440403. The reversal of 404200440401 is 104044002404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404200440401 - 2¹⁸ = 404200178257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404200440403) 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 in 3 ways as a sum of consecutive naturals, for example, 1129051331 + ... + 1129051688.

It is an arithmetic number, because the mean of its divisors is an integer number (101614635900).

Almost surely, 2^404200440401 is an apocalyptic number.

It is an amenable number.

404200440401 is a deficient number, since it is larger than the sum of its proper divisors (2258103199).

404200440401 is a wasteful number, since it uses less digits than its factorization.

404200440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258103198.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 404200440401 its reverse (104044002404), we get a palindrome (508244442805).

The spelling of 404200440401 in words is "four hundred four billion, two hundred million, four hundred forty thousand, four hundred one".