30338875392 has 128 divisors (see below), whose sum is σ = 92462020800. Its totient is φ = 8668053504.

The previous prime is 30338875373. The next prime is 30338875421. The reversal of 30338875392 is 29357883303.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666084 + ... + 710172.

Almost surely, 2^30338875392 is an apocalyptic number.

30338875392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30338875392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46231010400).

30338875392 is an abundant number, since it is smaller than the sum of its proper divisors (62123145408).

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

30338875392 is an frugal number, since it uses more digits than its factorization.

30338875392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44129 (or 44101 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 30338875392 in words is "thirty billion, three hundred thirty-eight million, eight hundred seventy-five thousand, three hundred ninety-two".