304352240 has 40 divisors (see below), whose sum is σ = 716591040. Its totient is φ = 120197376.

The previous prime is 304352239. The next prime is 304352273. The reversal of 304352240 is 42253403.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17759 + ... + 30398.

It is an arithmetic number, because the mean of its divisors is an integer number (17914776).

Almost surely, 2^304352240 is an apocalyptic number.

It is an amenable number.

304352240 is an abundant number, since it is smaller than the sum of its proper divisors (412238800).

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

304352240 is a wasteful number, since it uses less digits than its factorization.

304352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48249 (or 48243 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 304352240 is about 17445.6940246010. The cubic root of 304352240 is about 672.6546789764.

The spelling of 304352240 in words is "three hundred four million, three hundred fifty-two thousand, two hundred forty".