30261328868 has 12 divisors (see below), whose sum is σ = 53077960320. Its totient is φ = 15096197352.

The previous prime is 30261328849. The next prime is 30261328897. The reversal of 30261328868 is 86882316203.

It is a happy number.

It is a super-2 number, since 2×30261328868² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614796 + ... + 8618307.

It is an arithmetic number, because the mean of its divisors is an integer number (4423163360).

Almost surely, 2^30261328868 is an apocalyptic number.

It is an amenable number.

30261328868 is a deficient number, since it is larger than the sum of its proper divisors (22816631452).

30261328868 is a wasteful number, since it uses less digits than its factorization.

30261328868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233546 (or 17233544 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 30261328868 in words is "thirty billion, two hundred sixty-one million, three hundred twenty-eight thousand, eight hundred sixty-eight".