404224032 has 24 divisors (see below), whose sum is σ = 1061088336. Its totient is φ = 134741312.

The previous prime is 404224019. The next prime is 404224061. The reversal of 404224032 is 230422404.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105238 + ... + 2105429.

It is an arithmetic number, because the mean of its divisors is an integer number (44212014).

Almost surely, 2^404224032 is an apocalyptic number.

It is an amenable number.

404224032 is an abundant number, since it is smaller than the sum of its proper divisors (656864304).

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

404224032 is a wasteful number, since it uses less digits than its factorization.

404224032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210680 (or 4210672 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 404224032 is about 20105.3234741449. The cubic root of 404224032 is about 739.3908012739.

Adding to 404224032 its reverse (230422404), we get a palindrome (634646436).

The spelling of 404224032 in words is "four hundred four million, two hundred twenty-four thousand, thirty-two".