404045224 has 32 divisors (see below), whose sum is σ = 827360640. Its totient is φ = 183456000.

The previous prime is 404045221. The next prime is 404045231. The reversal of 404045224 is 422540404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (404045221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103777 + ... + 107599.

It is an arithmetic number, because the mean of its divisors is an integer number (25855020).

Almost surely, 2^404045224 is an apocalyptic number.

404045224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404045224 is an abundant number, since it is smaller than the sum of its proper divisors (423315416).

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

404045224 is a wasteful number, since it uses less digits than its factorization.

404045224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5037 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 404045224 is about 20100.8761998078. The cubic root of 404045224 is about 739.2817623262.

Adding to 404045224 its reverse (422540404), we get a palindrome (826585628).

The spelling of 404045224 in words is "four hundred four million, forty-five thousand, two hundred twenty-four".