30000440818 has 8 divisors (see below), whose sum is σ = 45413511660. Its totient is φ = 14862603600.

The previous prime is 30000440803. The next prime is 30000440831. The reversal of 30000440818 is 81804400003.

30000440818 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28902380049 + 1098060769 = 170007^2 + 33137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68808133 + ... + 68808568.

Almost surely, 2^30000440818 is an apocalyptic number.

30000440818 is a deficient number, since it is larger than the sum of its proper divisors (15413070842).

30000440818 is a wasteful number, since it uses less digits than its factorization.

30000440818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137616812.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 30000440818 in words is "thirty billion, four hundred forty thousand, eight hundred eighteen".