304025140 has 48 divisors (see below), whose sum is σ = 654925824. Its totient is φ = 118496000.

The previous prime is 304025131. The next prime is 304025147. The reversal of 304025140 is 41520403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304025147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263565 + ... + 264715.

It is an arithmetic number, because the mean of its divisors is an integer number (13644288).

Almost surely, 2^304025140 is an apocalyptic number.

It is an amenable number.

304025140 is an abundant number, since it is smaller than the sum of its proper divisors (350900684).

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

304025140 is a wasteful number, since it uses less digits than its factorization.

304025140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 304025140 is about 17436.3166982021. The cubic root of 304025140 is about 672.4136159501.

Adding to 304025140 its reverse (41520403), we get a palindrome (345545543).

The spelling of 304025140 in words is "three hundred four million, twenty-five thousand, one hundred forty".