30303049728 has 384 divisors, whose sum is σ = 96204326400. Its totient is φ = 8302362624.

The previous prime is 30303049709. The next prime is 30303049739. The reversal of 30303049728 is 82794030303.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218007483 + ... + 218007621.

It is an arithmetic number, because the mean of its divisors is an integer number (250532100).

Almost surely, 2^30303049728 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 30303049728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48102163200).

30303049728 is an abundant number, since it is smaller than the sum of its proper divisors (65901276672).

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

30303049728 is a wasteful number, since it uses less digits than its factorization.

30303049728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 30303049728 in words is "thirty billion, three hundred three million, forty-nine thousand, seven hundred twenty-eight".