404634253055 has 4 divisors (see below), whose sum is σ = 485561103672. Its totient is φ = 323707402440.

The previous prime is 404634253013. The next prime is 404634253057. The reversal of 404634253055 is 550352436404.

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

It is not a de Polignac number, because 404634253055 - 2²⁴ = 404617475839 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 (404634253057) 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, 40463425301 + ... + 40463425310.

It is an arithmetic number, because the mean of its divisors is an integer number (121390275918).

Almost surely, 2^404634253055 is an apocalyptic number.

404634253055 is a deficient number, since it is larger than the sum of its proper divisors (80926850617).

404634253055 is an equidigital number, since it uses as much as digits as its factorization.

404634253055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80926850616.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 404634253055 its reverse (550352436404), we get a palindrome (954986689459).

The spelling of 404634253055 in words is "four hundred four billion, six hundred thirty-four million, two hundred fifty-three thousand, fifty-five".