30406668451930 has 8 divisors (see below), whose sum is σ = 54732003213492. Its totient is φ = 12162667380768.

The previous prime is 30406668451927. The next prime is 30406668451931. The reversal of 30406668451930 is 3915486660403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27755838361161 + 2650830090769 = 5268381^2 + 1628137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30406668451931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520333422587 + ... + 1520333422606.

Almost surely, 2^{30406668451930} is an apocalyptic number.

30406668451930 is a deficient number, since it is larger than the sum of its proper divisors (24325334761562).

30406668451930 is a wasteful number, since it uses less digits than its factorization.

30406668451930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040666845200.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 30406668451930 in words is "thirty trillion, four hundred six billion, six hundred sixty-eight million, four hundred fifty-one thousand, nine hundred thirty".