30438955008 has 480 divisors, whose sum is σ = 113400967680. Its totient is φ = 7902904320.

The previous prime is 30438955003. The next prime is 30438955009. The reversal of 30438955008 is 80055983403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30438955003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12772185 + ... + 12774567.

It is an arithmetic number, because the mean of its divisors is an integer number (236252016).

Almost surely, 2^30438955008 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 30438955008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56700483840).

30438955008 is an abundant number, since it is smaller than the sum of its proper divisors (82962012672).

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

30438955008 is a wasteful number, since it uses less digits than its factorization.

30438955008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 30438955008 in words is "thirty billion, four hundred thirty-eight million, nine hundred fifty-five thousand, eight".