30385788084 has 72 divisors (see below), whose sum is σ = 79698047520. Its totient is φ = 9749678400.

The previous prime is 30385788079. The next prime is 30385788101. The reversal of 30385788084 is 48088758303.

30385788084 is a `hidden beast` number, since 30 + 38 + 578 + 8 + 0 + 8 + 4 = 666.

It is a super-2 number, since 2×30385788084² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30385788084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301599 + ... + 389529.

Almost surely, 2^30385788084 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 30385788084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39849023760).

30385788084 is an abundant number, since it is smaller than the sum of its proper divisors (49312259436).

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

30385788084 is a wasteful number, since it uses less digits than its factorization.

30385788084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88301 (or 88296 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 30385788084 in words is "thirty billion, three hundred eighty-five million, seven hundred eighty-eight thousand, eighty-four".