304324321432144 has 120 divisors (see below), whose sum is σ = 644995774176000. Its totient is φ = 139023879261696.

The previous prime is 304324321432097. The next prime is 304324321432169. The reversal of 304324321432144 is 441234123423403.

It is a happy number.

It is a super-2 number, since 2×304324321432144² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304324321432097 and 304324321432106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556472182 + ... + 557018794.

It is an arithmetic number, because the mean of its divisors is an integer number (5374964784800).

Almost surely, 2^{304324321432144} 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 304324321432144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322497887088000).

304324321432144 is an abundant number, since it is smaller than the sum of its proper divisors (340671452743856).

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

304324321432144 is a wasteful number, since it uses less digits than its factorization.

304324321432144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548749 (or 548730 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 304324321432144 its reverse (441234123423403), we get a palindrome (745558444855547).

The spelling of 304324321432144 in words is "three hundred four trillion, three hundred twenty-four billion, three hundred twenty-one million, four hundred thirty-two thousand, one hundred forty-four".