30019976028 has 288 divisors, whose sum is σ = 92624896000. Its totient is φ = 8497597248.

The previous prime is 30019975987. The next prime is 30019976047. The reversal of 30019976028 is 82067991003.

30019976028 is a `hidden beast` number, since 30 + 0 + 1 + 9 + 9 + 7 + 602 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42340938 + ... + 42341646.

Almost surely, 2^30019976028 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 30019976028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46312448000).

30019976028 is an abundant number, since it is smaller than the sum of its proper divisors (62604919972).

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

30019976028 is a wasteful number, since it uses less digits than its factorization.

30019976028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 30019976028 in words is "thirty billion, nineteen million, nine hundred seventy-six thousand, twenty-eight".