30028320000 has 900 divisors, whose sum is σ = 128258269216. Its totient is φ = 6842880000.

The previous prime is 30028319983. The next prime is 30028320011. The reversal of 30028320000 is 2382003.

It is a tau number, because it is divible by the number of its divisors (900).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 99 ways as a sum of consecutive naturals, for example, 90719835 + ... + 90720165.

Almost surely, 2^30028320000 is an apocalyptic number.

30028320000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30028320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64129134608).

30028320000 is an abundant number, since it is smaller than the sum of its proper divisors (98229949216).

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

30028320000 is an frugal number, since it uses more digits than its factorization.

30028320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The spelling of 30028320000 in words is "thirty billion, twenty-eight million, three hundred twenty thousand".