30139358568 has 192 divisors, whose sum is σ = 84722319360. Its totient is φ = 8925840000.

The previous prime is 30139358521. The next prime is 30139358573. The reversal of 30139358568 is 86585393103.

It is a self number, because there is not a number n which added to its sum of digits gives 30139358568.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26184793 + ... + 26185943.

It is an arithmetic number, because the mean of its divisors is an integer number (441262080).

Almost surely, 2^30139358568 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 30139358568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42361159680).

30139358568 is an abundant number, since it is smaller than the sum of its proper divisors (54582960792).

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

30139358568 is a wasteful number, since it uses less digits than its factorization.

30139358568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 30139358568 in words is "thirty billion, one hundred thirty-nine million, three hundred fifty-eight thousand, five hundred sixty-eight".