30188249604 has 18 divisors (see below), whose sum is σ = 76309186590. Its totient is φ = 10062749856.

The previous prime is 30188249591. The next prime is 30188249629. The reversal of 30188249604 is 40694288103.

It is a happy number.

30188249604 is a `hidden beast` number, since 3 + 0 + 18 + 8 + 24 + 9 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18920002500 + 11268247104 = 137550^2 + 106152^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×30188249604² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30188249604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419281209 + ... + 419281280.

It is an arithmetic number, because the mean of its divisors is an integer number (4239399255).

Almost surely, 2^30188249604 is an apocalyptic number.

It is an amenable number.

30188249604 is an abundant number, since it is smaller than the sum of its proper divisors (46120936986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30188249604 is a wasteful number, since it uses less digits than its factorization.

30188249604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838562499 (or 838562494 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 30188249604 in words is "thirty billion, one hundred eighty-eight million, two hundred forty-nine thousand, six hundred four".