304044324240 has 80 divisors (see below), whose sum is σ = 949732445376. Its totient is φ = 80459558400.

The previous prime is 304044324223. The next prime is 304044324251. The reversal of 304044324240 is 42423440403.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×304044324240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 304044324198 and 304044324207.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4803871 + ... + 4866750.

Almost surely, 2^304044324240 is an apocalyptic number.

304044324240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304044324240 is an abundant number, since it is smaller than the sum of its proper divisors (645688121136).

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

304044324240 is a wasteful number, since it uses less digits than its factorization.

304044324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670768 (or 9670762 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 304044324240 its reverse (42423440403), we get a palindrome (346467764643).

The spelling of 304044324240 in words is "three hundred four billion, forty-four million, three hundred twenty-four thousand, two hundred forty".