304230040 has 16 divisors (see below), whose sum is σ = 684517680. Its totient is φ = 121692000.

The previous prime is 304230037. The next prime is 304230041. The reversal of 304230040 is 40032403.

It is a junction number, because it is equal to n+sod(n) for n = 304229996 and 304230023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802836 + ... + 3802915.

It is an arithmetic number, because the mean of its divisors is an integer number (42782355).

Almost surely, 2^304230040 is an apocalyptic number.

It is an amenable number.

304230040 is an abundant number, since it is smaller than the sum of its proper divisors (380287640).

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

304230040 is a wasteful number, since it uses less digits than its factorization.

304230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605762 (or 7605758 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 304230040 is about 17442.1913760857. The cubic root of 304230040 is about 672.5646414097.

Adding to 304230040 its reverse (40032403), we get a palindrome (344262443).

The spelling of 304230040 in words is "three hundred four million, two hundred thirty thousand, forty".