404441232 has 80 divisors (see below), whose sum is σ = 1131177600. Its totient is φ = 123780096.

The previous prime is 404441207. The next prime is 404441267. The reversal of 404441232 is 232144404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122548 + ... + 125804.

It is an arithmetic number, because the mean of its divisors is an integer number (14139720).

Almost surely, 2^404441232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404441232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565588800).

404441232 is an abundant number, since it is smaller than the sum of its proper divisors (726736368).

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

404441232 is a wasteful number, since it uses less digits than its factorization.

404441232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404441232 is about 20110.7243032169. The cubic root of 404441232 is about 739.5232088119.

Adding to 404441232 its reverse (232144404), we get a palindrome (636585636).

The spelling of 404441232 in words is "four hundred four million, four hundred forty-one thousand, two hundred thirty-two".