304235040 has 48 divisors (see below), whose sum is σ = 958341888. Its totient is φ = 81129216.

The previous prime is 304235039. The next prime is 304235051. The reversal of 304235040 is 40532403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 304234998 and 304235016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316432 + ... + 317391.

It is an arithmetic number, because the mean of its divisors is an integer number (19965456).

Almost surely, 2^304235040 is an apocalyptic number.

304235040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304235040 is an abundant number, since it is smaller than the sum of its proper divisors (654106848).

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

304235040 is a wasteful number, since it uses less digits than its factorization.

304235040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633841 (or 633833 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 304235040 is about 17442.3347061109. The cubic root of 304235040 is about 672.5683259075.

Adding to 304235040 its reverse (40532403), we get a palindrome (344767443).

The spelling of 304235040 in words is "three hundred four million, two hundred thirty-five thousand, forty".