30138108288 has 32 divisors (see below), whose sum is σ = 80054351160. Its totient is φ = 10046035968.

The previous prime is 30138108281. The next prime is 30138108293. The reversal of 30138108288 is 88280183103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30138108281) 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 3 ways as a sum of consecutive naturals, for example, 39241945 + ... + 39242712.

Almost surely, 2^30138108288 is an apocalyptic number.

It is an amenable number.

30138108288 is an abundant number, since it is smaller than the sum of its proper divisors (49916242872).

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

30138108288 is an equidigital number, since it uses as much as digits as its factorization.

30138108288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78484674 (or 78484662 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 30138108288 in words is "thirty billion, one hundred thirty-eight million, one hundred eight thousand, two hundred eighty-eight".