7321804800000 has 816 divisors, whose sum is σ = 25876674349344. Its totient is φ = 1835008000000.

The previous prime is 7321804799891. The next prime is 7321804800041. The reversal of 7321804800000 is 84081237.

It is a tau number, because it is divible by the number of its divisors (816).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10444799650 + ... + 10444800350.

Almost surely, 2^{7321804800000} 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 7321804800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12938337174672).

7321804800000 is an abundant number, since it is smaller than the sum of its proper divisors (18554869549344).

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

7321804800000 is an frugal number, since it uses more digits than its factorization.

7321804800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

Adding to 7321804800000 its reverse (84081237), we get a palindrome (7321888881237).

The spelling of 7321804800000 in words is "seven trillion, three hundred twenty-one billion, eight hundred four million, eight hundred thousand".