30668447124 has 360 divisors, whose sum is σ = 98790420960. Its totient is φ = 8249060736.

The previous prime is 30668447123. The next prime is 30668447141. The reversal of 30668447124 is 42174486603.

It is a self number, because there is not a number n which added to its sum of digits gives 30668447124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30668447123) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 88381519 + ... + 88381865.

It is an arithmetic number, because the mean of its divisors is an integer number (274417836).

Almost surely, 2^30668447124 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 30668447124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49395210480).

30668447124 is an abundant number, since it is smaller than the sum of its proper divisors (68121973836).

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

30668447124 is a wasteful number, since it uses less digits than its factorization.

30668447124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 30668447124 in words is "thirty billion, six hundred sixty-eight million, four hundred forty-seven thousand, one hundred twenty-four".