30804378720 has 96 divisors (see below), whose sum is σ = 97071851520. Its totient is φ = 8211279360.

The previous prime is 30804378713. The next prime is 30804378721. The reversal of 30804378720 is 2787340803.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30804378721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370775 + ... + 1393065.

It is an arithmetic number, because the mean of its divisors is an integer number (1011165120).

Almost surely, 2^30804378720 is an apocalyptic number.

30804378720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30804378720 is an abundant number, since it is smaller than the sum of its proper divisors (66267472800).

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

30804378720 is a wasteful number, since it uses less digits than its factorization.

30804378720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25188 (or 25180 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 30804378720 in words is "thirty billion, eight hundred four million, three hundred seventy-eight thousand, seven hundred twenty".