305034540 has 24 divisors (see below), whose sum is σ = 854096880. Its totient is φ = 81342528.

The previous prime is 305034529. The next prime is 305034571. The reversal of 305034540 is 45430503.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 305034540.

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, 2541895 + ... + 2542014.

It is an arithmetic number, because the mean of its divisors is an integer number (35587370).

Almost surely, 2^305034540 is an apocalyptic number.

305034540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305034540 is an abundant number, since it is smaller than the sum of its proper divisors (549062340).

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

305034540 is a wasteful number, since it uses less digits than its factorization.

305034540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083921 (or 5083919 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 305034540 is about 17465.2380459013. The cubic root of 305034540 is about 673.1569585638.

The spelling of 305034540 in words is "three hundred five million, thirty-four thousand, five hundred forty".