404223122040 has 96 divisors (see below), whose sum is σ = 1279853401680. Its totient is φ = 102119514624.

The previous prime is 404223122011. The next prime is 404223122047. The reversal of 404223122040 is 40221322404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 404223122040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404223122047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4622229 + ... + 4708868.

Almost surely, 2^404223122040 is an apocalyptic number.

404223122040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404223122040 is an abundant number, since it is smaller than the sum of its proper divisors (875630279640).

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

404223122040 is a wasteful number, since it uses less digits than its factorization.

404223122040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331149 (or 9331126 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 404223122040 its reverse (40221322404), we get a palindrome (444444444444).

The spelling of 404223122040 in words is "four hundred four billion, two hundred twenty-three million, one hundred twenty-two thousand, forty".