304302343240 has 128 divisors (see below), whose sum is σ = 805489090560. Its totient is φ = 101295016704.

The previous prime is 304302343199. The next prime is 304302343243. The reversal of 304302343240 is 42343203403.

It is a super-2 number, since 2×304302343240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 304302343199 and 304302343208.

It is not an unprimeable number, because it can be changed into a prime (304302343243) 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 31 ways as a sum of consecutive naturals, for example, 1935009 + ... + 2086351.

It is an arithmetic number, because the mean of its divisors is an integer number (6292883520).

Almost surely, 2^304302343240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304302343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402744545280).

304302343240 is an abundant number, since it is smaller than the sum of its proper divisors (501186747320).

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

304302343240 is a wasteful number, since it uses less digits than its factorization.

304302343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151571 (or 151567 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 304302343240 its reverse (42343203403), we get a palindrome (346645546643).

The spelling of 304302343240 in words is "three hundred four billion, three hundred two million, three hundred forty-three thousand, two hundred forty".