30065685980 has 24 divisors (see below), whose sum is σ = 68877753840. Its totient is φ = 10932976640.

The previous prime is 30065685941. The next prime is 30065685983. The reversal of 30065685980 is 8958656003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30065685983) by changing a digit.

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, 68330885 + ... + 68331324.

It is an arithmetic number, because the mean of its divisors is an integer number (2869906410).

Almost surely, 2^30065685980 is an apocalyptic number.

It is an amenable number.

30065685980 is an abundant number, since it is smaller than the sum of its proper divisors (38812067860).

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

30065685980 is a wasteful number, since it uses less digits than its factorization.

30065685980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136662229 (or 136662227 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 30065685980 in words is "thirty billion, sixty-five million, six hundred eighty-five thousand, nine hundred eighty".