30229733688 has 128 divisors (see below), whose sum is σ = 94312512000. Its totient is φ = 7844382720.

The previous prime is 30229733629. The next prime is 30229733717. The reversal of 30229733688 is 88633792203.

It is a happy number.

It is a Cunningham number, because it is equal to 173867²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 30229733688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2079148 + ... + 2093636.

It is an arithmetic number, because the mean of its divisors is an integer number (736816500).

Almost surely, 2^30229733688 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 30229733688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47156256000).

30229733688 is an abundant number, since it is smaller than the sum of its proper divisors (64082778312).

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

30229733688 is a wasteful number, since it uses less digits than its factorization.

30229733688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15645 (or 15641 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 30229733688 in words is "thirty billion, two hundred twenty-nine million, seven hundred thirty-three thousand, six hundred eighty-eight".