404204124 has 24 divisors (see below), whose sum is σ = 943478928. Its totient is φ = 134686720.

The previous prime is 404204123. The next prime is 404204137. The reversal of 404204124 is 421402404.

It is a self number, because there is not a number n which added to its sum of digits gives 404204124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404204123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50014 + ... + 57530.

It is an arithmetic number, because the mean of its divisors is an integer number (39311622).

Almost surely, 2^404204124 is an apocalyptic number.

It is an amenable number.

404204124 is an abundant number, since it is smaller than the sum of its proper divisors (539274804).

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

404204124 is a wasteful number, since it uses less digits than its factorization.

404204124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005 (or 12003 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404204124 is about 20104.8283752933. The cubic root of 404204124 is about 739.3786627628.

Adding to 404204124 its reverse (421402404), we get a palindrome (825606528).

It can be divided in two parts, 40420 and 4124, that added together give a palindrome (44544).

The spelling of 404204124 in words is "four hundred four million, two hundred four thousand, one hundred twenty-four".