30784518132 has 96 divisors (see below), whose sum is σ = 77386337280. Its totient is φ = 9502832640.

The previous prime is 30784518077. The next prime is 30784518169. The reversal of 30784518132 is 23181548703.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1206418 + ... + 1231670.

It is an arithmetic number, because the mean of its divisors is an integer number (806107680).

Almost surely, 2^30784518132 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 30784518132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38693168640).

30784518132 is an abundant number, since it is smaller than the sum of its proper divisors (46601819148).

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

30784518132 is a wasteful number, since it uses less digits than its factorization.

30784518132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25433 (or 25431 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 30784518132 in words is "thirty billion, seven hundred eighty-four million, five hundred eighteen thousand, one hundred thirty-two".