1304321004340 has 96 divisors (see below), whose sum is σ = 2794672742400. Its totient is φ = 511252560000.

The previous prime is 1304321004323. The next prime is 1304321004361. The reversal of 1304321004340 is 434001234031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115923715 + ... + 115934965.

It is an arithmetic number, because the mean of its divisors is an integer number (29111174400).

Almost surely, 2^{1304321004340} is an apocalyptic number.

1304321004340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304321004340 is an abundant number, since it is smaller than the sum of its proper divisors (1490351738060).

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

1304321004340 is a wasteful number, since it uses less digits than its factorization.

1304321004340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885 (or 11883 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1304321004340 its reverse (434001234031), we get a palindrome (1738322238371).

The spelling of 1304321004340 in words is "one trillion, three hundred four billion, three hundred twenty-one million, four thousand, three hundred forty".