30906335488 has 72 divisors (see below), whose sum is σ = 70559370560. Its totient is φ = 13235374080.

The previous prime is 30906335483. The next prime is 30906335497. The reversal of 30906335488 is 88453360903.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30906335483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608618 + ... + 2620438.

Almost surely, 2^30906335488 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 30906335488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35279685280).

30906335488 is an abundant number, since it is smaller than the sum of its proper divisors (39653035072).

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

30906335488 is a wasteful number, since it uses less digits than its factorization.

30906335488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303 (or 13289 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 30906335488 in words is "thirty billion, nine hundred six million, three hundred thirty-five thousand, four hundred eighty-eight".