304240510240 has 48 divisors (see below), whose sum is σ = 718995364920. Its totient is φ = 121657743360.

The previous prime is 304240510219. The next prime is 304240510243. The reversal of 304240510240 is 42015042403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 241674492816 + 62566017424 = 491604^2 + 250132^2 .

It is not an unprimeable number, because it can be changed into a prime (304240510243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210076 + ... + 807844.

Almost surely, 2^304240510240 is an apocalyptic number.

It is an amenable number.

304240510240 is an abundant number, since it is smaller than the sum of its proper divisors (414754854680).

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

304240510240 is a wasteful number, since it uses less digits than its factorization.

304240510240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600965 (or 600957 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 304240510240 its reverse (42015042403), we get a palindrome (346255552643).

The spelling of 304240510240 in words is "three hundred four billion, two hundred forty million, five hundred ten thousand, two hundred forty".