1304320350432 has 192 divisors, whose sum is σ = 4091185324800. Its totient is φ = 359170990080.

The previous prime is 1304320350409. The next prime is 1304320350451. The reversal of 1304320350432 is 2340530234031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304320350432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732082 + ... + 1773297.

It is an arithmetic number, because the mean of its divisors is an integer number (21308256900).

Almost surely, 2^{1304320350432} is an apocalyptic number.

1304320350432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304320350432 is an abundant number, since it is smaller than the sum of its proper divisors (2786864974368).

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

1304320350432 is a wasteful number, since it uses less digits than its factorization.

1304320350432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505449 (or 2505441 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 1304320350432 its reverse (2340530234031), we get a palindrome (3644850584463).

The spelling of 1304320350432 in words is "one trillion, three hundred four billion, three hundred twenty million, three hundred fifty thousand, four hundred thirty-two".