404143223104 has 28 divisors (see below), whose sum is σ = 801992236500. Its totient is φ = 202066439168.

The previous prime is 404143223093. The next prime is 404143223129. The reversal of 404143223104 is 401322341404.

It can be written as a sum of positive squares in 2 ways, for example, as 157253488704 + 246889734400 = 396552^2 + 496880^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181922 + ... + 4277470.

It is an arithmetic number, because the mean of its divisors is an integer number (28642579875).

Almost surely, 2^404143223104 is an apocalyptic number.

It is an amenable number.

404143223104 is a deficient number, since it is larger than the sum of its proper divisors (397849013396).

404143223104 is an equidigital number, since it uses as much as digits as its factorization.

404143223104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161650 (or 161640 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 404143223104 its reverse (401322341404), we get a palindrome (805465564508).

The spelling of 404143223104 in words is "four hundred four billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred four".