30505527980 has 24 divisors (see below), whose sum is σ = 64081438512. Its totient is φ = 12198434112.

The previous prime is 30505527977. The next prime is 30505528007. The reversal of 30505527980 is 8972550503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169382 + ... + 299501.

It is an arithmetic number, because the mean of its divisors is an integer number (2670059938).

Almost surely, 2^30505527980 is an apocalyptic number.

It is an amenable number.

30505527980 is an abundant number, since it is smaller than the sum of its proper divisors (33575910532).

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

30505527980 is a wasteful number, since it uses less digits than its factorization.

30505527980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472145 (or 472143 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 30505527980 in words is "thirty billion, five hundred five million, five hundred twenty-seven thousand, nine hundred eighty".