30228405049 has 4 divisors (see below), whose sum is σ = 30229731364. Its totient is φ = 30227078736.

The previous prime is 30228405037. The next prime is 30228405073. The reversal of 30228405049 is 94050482203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13466442025 + 16761963024 = 116045^2 + 129468^2 .

It is a cyclic number.

It is not a de Polignac number, because 30228405049 - 2²¹ = 30226307897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30228404999 and 30228405017.

It is not an unprimeable number, because it can be changed into a prime (30228405029) 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, 628362 + ... + 674755.

It is an arithmetic number, because the mean of its divisors is an integer number (7557432841).

Almost surely, 2^30228405049 is an apocalyptic number.

It is an amenable number.

30228405049 is a deficient number, since it is larger than the sum of its proper divisors (1326315).

30228405049 is a wasteful number, since it uses less digits than its factorization.

30228405049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326314.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 30228405049 in words is "thirty billion, two hundred twenty-eight million, four hundred five thousand, forty-nine".