304432312404 has 72 divisors (see below), whose sum is σ = 781135961760. Its totient is φ = 92211247040.

The previous prime is 304432312397. The next prime is 304432312409. The reversal of 304432312404 is 404213234403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304432312409) 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, 3307267 + ... + 3398069.

It is an arithmetic number, because the mean of its divisors is an integer number (10849110580).

Almost surely, 2^304432312404 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 304432312404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390567980880).

304432312404 is an abundant number, since it is smaller than the sum of its proper divisors (476703649356).

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

304432312404 is a wasteful number, since it uses less digits than its factorization.

304432312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93141 (or 93128 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 304432312404 its reverse (404213234403), we get a palindrome (708645546807).

The spelling of 304432312404 in words is "three hundred four billion, four hundred thirty-two million, three hundred twelve thousand, four hundred four".