30042395650 has 12 divisors (see below), whose sum is σ = 55878856002. Its totient is φ = 12016958240.

The previous prime is 30042395587. The next prime is 30042395651. The reversal of 30042395650 is 5659324003.

It can be written as a sum of positive squares in 3 ways, for example, as 13204997569 + 16837398081 = 114913^2 + 129759^2 .

It is a super-2 number, since 2×30042395650² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30042395651) 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 5 ways as a sum of consecutive naturals, for example, 300423907 + ... + 300424006.

Almost surely, 2^30042395650 is an apocalyptic number.

30042395650 is a deficient number, since it is larger than the sum of its proper divisors (25836460352).

30042395650 is a wasteful number, since it uses less digits than its factorization.

30042395650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600847925 (or 600847920 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 30042395650 in words is "thirty billion, forty-two million, three hundred ninety-five thousand, six hundred fifty".