305334540 has 72 divisors (see below), whose sum is σ = 1058497440. Its totient is φ = 69790464.

The previous prime is 305334521. The next prime is 305334551. The reversal of 305334540 is 45433503.

It is a happy number.

305334540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119905 + ... + 122424.

Almost surely, 2^305334540 is an apocalyptic number.

305334540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305334540 is an abundant number, since it is smaller than the sum of its proper divisors (753162900).

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

305334540 is a wasteful number, since it uses less digits than its factorization.

305334540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242351 (or 242346 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 305334540 is about 17473.8244239777. The cubic root of 305334540 is about 673.3775684649.

The spelling of 305334540 in words is "three hundred five million, three hundred thirty-four thousand, five hundred forty".