30830647256628 has 96 divisors (see below), whose sum is σ = 76444296155136. Its totient is φ = 9637557676032.

The previous prime is 30830647256627. The next prime is 30830647256639. The reversal of 30830647256628 is 82665274603803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30830647256627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78952950 + ... + 79342482.

It is an arithmetic number, because the mean of its divisors is an integer number (796294751616).

Almost surely, 2^{30830647256628} 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 30830647256628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38222148077568).

30830647256628 is an abundant number, since it is smaller than the sum of its proper divisors (45613648898508).

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

30830647256628 is a wasteful number, since it uses less digits than its factorization.

30830647256628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390953 (or 390951 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 60.

The spelling of 30830647256628 in words is "thirty trillion, eight hundred thirty billion, six hundred forty-seven million, two hundred fifty-six thousand, six hundred twenty-eight".