30328063720 has 64 divisors (see below), whose sum is σ = 72037252800. Its totient is φ = 11459520000.

The previous prime is 30328063709. The next prime is 30328063721. The reversal of 30328063720 is 2736082303.

It is not an unprimeable number, because it can be changed into a prime (30328063721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206220 + ... + 321220.

It is an arithmetic number, because the mean of its divisors is an integer number (1125582075).

Almost surely, 2^30328063720 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 30328063720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36018626400).

30328063720 is an abundant number, since it is smaller than the sum of its proper divisors (41709189080).

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

30328063720 is a wasteful number, since it uses less digits than its factorization.

30328063720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115378 (or 115374 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 30328063720 in words is "thirty billion, three hundred twenty-eight million, sixty-three thousand, seven hundred twenty".