30866738368 has 56 divisors (see below), whose sum is σ = 61812854784. Its totient is φ = 15292166400.

The previous prime is 30866738351. The next prime is 30866738389. The reversal of 30866738368 is 86383766803.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 7890333 + ... + 7894243.

Almost surely, 2^30866738368 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 30866738368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30906427392).

30866738368 is an abundant number, since it is smaller than the sum of its proper divisors (30946116416).

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

30866738368 is a wasteful number, since it uses less digits than its factorization.

30866738368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 30866738368 in words is "thirty billion, eight hundred sixty-six million, seven hundred thirty-eight thousand, three hundred sixty-eight".