30542202668 has 12 divisors (see below), whose sum is σ = 54354767880. Its totient is φ = 15012268992.

The previous prime is 30542202661. The next prime is 30542202671. The reversal of 30542202668 is 86620224503.

It is a super-2 number, since 2×30542202668² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30542202661) 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 3 ways as a sum of consecutive naturals, for example, 64707821 + ... + 64708292.

It is an arithmetic number, because the mean of its divisors is an integer number (4529563990).

Almost surely, 2^30542202668 is an apocalyptic number.

It is an amenable number.

30542202668 is a deficient number, since it is larger than the sum of its proper divisors (23812565212).

30542202668 is a wasteful number, since it uses less digits than its factorization.

30542202668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129416176 (or 129416174 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 30542202668 in words is "thirty billion, five hundred forty-two million, two hundred two thousand, six hundred sixty-eight".