304513242240 has 64 divisors (see below), whose sum is σ = 970635965760. Its totient is φ = 81203530752.

The previous prime is 304513242217. The next prime is 304513242259. The reversal of 304513242240 is 42242315403.

It is a tau number, because it is divible by the number of its divisors (64).

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 = 304513242198 and 304513242207.

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 7 ways as a sum of consecutive naturals, for example, 79298404 + ... + 79302243.

It is an arithmetic number, because the mean of its divisors is an integer number (15166186965).

Almost surely, 2^304513242240 is an apocalyptic number.

304513242240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304513242240 is an abundant number, since it is smaller than the sum of its proper divisors (666122723520).

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

304513242240 is a wasteful number, since it uses less digits than its factorization.

304513242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158600669 (or 158600657 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 304513242240 its reverse (42242315403), we get a palindrome (346755557643).

The spelling of 304513242240 in words is "three hundred four billion, five hundred thirteen million, two hundred forty-two thousand, two hundred forty".