30359691808 has 96 divisors (see below), whose sum is σ = 65476878768. Its totient is φ = 13799424000.

The previous prime is 30359691799. The next prime is 30359691839. The reversal of 30359691808 is 80819695303.

It can be written as a sum of positive squares in 8 ways, for example, as 22568451984 + 7791239824 = 150228^2 + 88268^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245966 + ... + 2259442.

Almost surely, 2^30359691808 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 30359691808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32738439384).

30359691808 is an abundant number, since it is smaller than the sum of its proper divisors (35117186960).

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

30359691808 is a wasteful number, since it uses less digits than its factorization.

30359691808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13646 (or 13638 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 30359691808 in words is "thirty billion, three hundred fifty-nine million, six hundred ninety-one thousand, eight hundred eight".