30328556544 has 440 divisors, whose sum is σ = 106442002128. Its totient is φ = 8480194560.

The previous prime is 30328556543. The next prime is 30328556551. The reversal of 30328556544 is 44565582303.

30328556544 is a `hidden beast` number, since 3 + 0 + 3 + 2 + 85 + 565 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30328556544.

It is not an unprimeable number, because it can be changed into a prime (30328556543) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11859714 + ... + 11862270.

Almost surely, 2^30328556544 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 30328556544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53221001064).

30328556544 is an abundant number, since it is smaller than the sum of its proper divisors (76113445584).

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

30328556544 is a wasteful number, since it uses less digits than its factorization.

30328556544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 30328556544 in words is "thirty billion, three hundred twenty-eight million, five hundred fifty-six thousand, five hundred forty-four".