72800380000 has 60 divisors (see below), whose sum is σ = 179099904060. Its totient is φ = 29120144000.

The previous prime is 72800379989. The next prime is 72800380021. The reversal of 72800380000 is 8300827.

It is a happy number.

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 9 ways as a sum of consecutive naturals, for example, 1800010 + ... + 1840009.

It is an arithmetic number, because the mean of its divisors is an integer number (2984998401).

Almost surely, 2^72800380000 is an apocalyptic number.

It is an amenable number.

72800380000 is an abundant number, since it is smaller than the sum of its proper divisors (106299524060).

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

72800380000 is an equidigital number, since it uses as much as digits as its factorization.

72800380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640049 (or 3640026 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 72800380000 its reverse (8300827), we get a palindrome (72808680827).

The spelling of 72800380000 in words is "seventy-two billion, eight hundred million, three hundred eighty thousand".