30028309500 has 192 divisors, whose sum is σ = 100052499456. Its totient is φ = 6855494400.

The previous prime is 30028309453. The next prime is 30028309511. The reversal of 30028309500 is 590382003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17187627 + ... + 17189373.

It is an arithmetic number, because the mean of its divisors is an integer number (521106768).

Almost surely, 2^30028309500 is an apocalyptic number.

30028309500 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 30028309500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50026249728).

30028309500 is an abundant number, since it is smaller than the sum of its proper divisors (70024189956).

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

30028309500 is a wasteful number, since it uses less digits than its factorization.

30028309500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 30028309500 in words is "thirty billion, twenty-eight million, three hundred nine thousand, five hundred".