304020404340 has 24 divisors (see below), whose sum is σ = 851257132320. Its totient is φ = 81072107808.

The previous prime is 304020404291. The next prime is 304020404341. The reversal of 304020404340 is 43404020403.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 304020404340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304020404341) 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 7 ways as a sum of consecutive naturals, for example, 2533503310 + ... + 2533503429.

It is an arithmetic number, because the mean of its divisors is an integer number (35469047180).

Almost surely, 2^304020404340 is an apocalyptic number.

304020404340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304020404340 is an abundant number, since it is smaller than the sum of its proper divisors (547236727980).

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

304020404340 is a wasteful number, since it uses less digits than its factorization.

304020404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067006751 (or 5067006749 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 304020404340 its reverse (43404020403), we get a palindrome (347424424743).

The spelling of 304020404340 in words is "three hundred four billion, twenty million, four hundred four thousand, three hundred forty".