30808518048 has 768 divisors, whose sum is σ = 117050572800. Its totient is φ = 7653104640.

The previous prime is 30808518047. The next prime is 30808518077. The reversal of 30808518048 is 84081580803.

It is a junction number, because it is equal to n+sod(n) for n = 30808517994 and 30808518012.

It is not an unprimeable number, because it can be changed into a prime (30808518047) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 184482061 + ... + 184482227.

It is an arithmetic number, because the mean of its divisors is an integer number (152409600).

Almost surely, 2^30808518048 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 30808518048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58525286400).

30808518048 is an abundant number, since it is smaller than the sum of its proper divisors (86242054752).

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

30808518048 is a wasteful number, since it uses less digits than its factorization.

30808518048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 30808518048 in words is "thirty billion, eight hundred eight million, five hundred eighteen thousand, forty-eight".