404224254 has 48 divisors (see below), whose sum is σ = 1008285408. Its totient is φ = 114644736.

The previous prime is 404224253. The next prime is 404224273. The reversal of 404224254 is 452422404.

404224254 is a `hidden beast` number, since 404 + 2 + 2 + 4 + 254 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404224253) 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, 5554 + ... + 28970.

It is an arithmetic number, because the mean of its divisors is an integer number (21005946).

Almost surely, 2^404224254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404224254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504142704).

404224254 is an abundant number, since it is smaller than the sum of its proper divisors (604061154).

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

404224254 is a wasteful number, since it uses less digits than its factorization.

404224254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569 (or 23566 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 404224254 is about 20105.3289950699. The cubic root of 404224254 is about 739.3909366318.

Adding to 404224254 its reverse (452422404), we get a palindrome (856646658).

The spelling of 404224254 in words is "four hundred four million, two hundred twenty-four thousand, two hundred fifty-four".