30118809408 has 112 divisors (see below), whose sum is σ = 80813940480. Its totient is φ = 9898297344.

The previous prime is 30118809401. The next prime is 30118809431. The reversal of 30118809408 is 80490881103.

It is a self number, because there is not a number n which added to its sum of digits gives 30118809408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30118809401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18397966 + ... + 18399602.

It is an arithmetic number, because the mean of its divisors is an integer number (721553040).

Almost surely, 2^30118809408 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 30118809408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40406970240).

30118809408 is an abundant number, since it is smaller than the sum of its proper divisors (50695131072).

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

30118809408 is a wasteful number, since it uses less digits than its factorization.

30118809408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 30118809408 in words is "thirty billion, one hundred eighteen million, eight hundred nine thousand, four hundred eight".