30525005568 has 72 divisors (see below), whose sum is σ = 81565214976. Its totient is φ = 10134400000.

The previous prime is 30525005561. The next prime is 30525005573. The reversal of 30525005568 is 86550052503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525005561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113593 + ... + 271943.

It is an arithmetic number, because the mean of its divisors is an integer number (1132850208).

Almost surely, 2^30525005568 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 30525005568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40782607488).

30525005568 is an abundant number, since it is smaller than the sum of its proper divisors (51040209408).

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

30525005568 is a wasteful number, since it uses less digits than its factorization.

30525005568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158621 (or 158607 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 30525005568 in words is "thirty billion, five hundred twenty-five million, five thousand, five hundred sixty-eight".