304051340 has 24 divisors (see below), whose sum is σ = 638980272. Its totient is φ = 121530560.

The previous prime is 304051339. The next prime is 304051343. The reversal of 304051340 is 43150403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (304051343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26582 + ... + 36258.

It is an arithmetic number, because the mean of its divisors is an integer number (26624178).

Almost surely, 2^304051340 is an apocalyptic number.

It is an amenable number.

304051340 is an abundant number, since it is smaller than the sum of its proper divisors (334928932).

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

304051340 is a wasteful number, since it uses less digits than its factorization.

304051340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257 (or 11255 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 304051340 is about 17437.0679874800. The cubic root of 304051340 is about 672.4329309435.

The spelling of 304051340 in words is "three hundred four million, fifty-one thousand, three hundred forty".