30388671980 has 48 divisors (see below), whose sum is σ = 67631124960. Its totient is φ = 11430110208.

The previous prime is 30388671979. The next prime is 30388672003. The reversal of 30388671980 is 8917688303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342026 + ... + 421614.

It is an arithmetic number, because the mean of its divisors is an integer number (1408981770).

Almost surely, 2^30388671980 is an apocalyptic number.

It is an amenable number.

30388671980 is an abundant number, since it is smaller than the sum of its proper divisors (37242452980).

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

30388671980 is a wasteful number, since it uses less digits than its factorization.

30388671980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80738 (or 80736 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 30388671980 in words is "thirty billion, three hundred eighty-eight million, six hundred seventy-one thousand, nine hundred eighty".