30302738928 has 800 divisors, whose sum is σ = 116584680960. Its totient is φ = 7367915520.

The previous prime is 30302738927. The next prime is 30302738933. The reversal of 30302738928 is 82983720303.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302738927) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 107076675 + ... + 107076957.

Almost surely, 2^30302738928 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 30302738928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58292340480).

30302738928 is an abundant number, since it is smaller than the sum of its proper divisors (86281942032).

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

30302738928 is a wasteful number, since it uses less digits than its factorization.

30302738928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 30302738928 in words is "thirty billion, three hundred two million, seven hundred thirty-eight thousand, nine hundred twenty-eight".