404100233421 has 16 divisors (see below), whose sum is σ = 552190774080. Its totient is φ = 262724474880.

The previous prime is 404100233401. The next prime is 404100233423. The reversal of 404100233421 is 124332001404.

It is not a de Polignac number, because 404100233421 - 2⁶ = 404100233357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404100233391 and 404100233400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404100233423) 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 15 ways as a sum of consecutive naturals, for example, 2360806 + ... + 2526183.

It is an arithmetic number, because the mean of its divisors is an integer number (34511923380).

Almost surely, 2^404100233421 is an apocalyptic number.

It is an amenable number.

404100233421 is a deficient number, since it is larger than the sum of its proper divisors (148090540659).

404100233421 is a wasteful number, since it uses less digits than its factorization.

404100233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887676.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 404100233421 its reverse (124332001404), we get a palindrome (528432234825).

The spelling of 404100233421 in words is "four hundred four billion, one hundred million, two hundred thirty-three thousand, four hundred twenty-one".