404223031100 has 72 divisors (see below), whose sum is σ = 1006285260288. Its totient is φ = 138063729600.

The previous prime is 404223031099. The next prime is 404223031109. The reversal of 404223031100 is 1130322404.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404223031109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913736 + ... + 1281935.

Almost surely, 2^404223031100 is an apocalyptic number.

It is an amenable number.

404223031100 is an abundant number, since it is smaller than the sum of its proper divisors (602062229188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404223031100 is a wasteful number, since it uses less digits than its factorization.

404223031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195955 (or 2195948 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 404223031100 its reverse (1130322404), we get a palindrome (405353353504).

The spelling of 404223031100 in words is "four hundred four billion, two hundred twenty-three million, thirty-one thousand, one hundred".