304204040 has 32 divisors (see below), whose sum is σ = 782239680. Its totient is φ = 104298432.

The previous prime is 304204031. The next prime is 304204057. The reversal of 304204040 is 40402403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542942 + ... + 543501.

It is an arithmetic number, because the mean of its divisors is an integer number (24444990).

Almost surely, 2^304204040 is an apocalyptic number.

It is an amenable number.

304204040 is an abundant number, since it is smaller than the sum of its proper divisors (478035640).

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

304204040 is a wasteful number, since it uses less digits than its factorization.

304204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086461 (or 1086457 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 304204040 is about 17441.4460409680. The cubic root of 304204040 is about 672.5454813701.

Adding to 304204040 its reverse (40402403), we get a palindrome (344606443).

The spelling of 304204040 in words is "three hundred four million, two hundred four thousand, forty".