404030224 has 20 divisors (see below), whose sum is σ = 843025036. Its totient is φ = 186475392.

The previous prime is 404030201. The next prime is 404030227. The reversal of 404030224 is 422030404.

It can be written as a sum of positive squares in 2 ways, for example, as 105431824 + 298598400 = 10268^2 + 17280^2 .

It is not an unprimeable number, because it can be changed into a prime (404030227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971019 + ... + 971434.

Almost surely, 2^404030224 is an apocalyptic number.

It is an amenable number.

404030224 is an abundant number, since it is smaller than the sum of its proper divisors (438994812).

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

404030224 is a wasteful number, since it uses less digits than its factorization.

404030224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942474 (or 1942468 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 404030224 is about 20100.5030782814. The cubic root of 404030224 is about 739.2726137103.

Adding to 404030224 its reverse (422030404), we get a palindrome (826060628).

The spelling of 404030224 in words is "four hundred four million, thirty thousand, two hundred twenty-four".