304040040388 has 12 divisors (see below), whose sum is σ = 608080080832. Its totient is φ = 130302874440.

The previous prime is 304040040361. The next prime is 304040040389. The reversal of 304040040388 is 883040040403.

304040040388 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (304040040389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429286408 + ... + 5429286463.

Almost surely, 2^304040040388 is an apocalyptic number.

It is an amenable number.

304040040388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

304040040388 is a wasteful number, since it uses less digits than its factorization.

304040040388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10858572882 (or 10858572880 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 304040040388 in words is "three hundred four billion, forty million, forty thousand, three hundred eighty-eight".