30204816880 has 80 divisors (see below), whose sum is σ = 80381283840. Its totient is φ = 10340096256.

The previous prime is 30204816877. The next prime is 30204816937. The reversal of 30204816880 is 8861840203.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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 15 ways as a sum of consecutive naturals, for example, 328117 + ... + 409963.

It is an arithmetic number, because the mean of its divisors is an integer number (1004766048).

Almost surely, 2^30204816880 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 30204816880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40190641920).

30204816880 is an abundant number, since it is smaller than the sum of its proper divisors (50176466960).

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

30204816880 is a wasteful number, since it uses less digits than its factorization.

30204816880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82526 (or 82520 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 30204816880 in words is "thirty billion, two hundred four million, eight hundred sixteen thousand, eight hundred eighty".