300040530 has 32 divisors (see below), whose sum is σ = 720748800. Its totient is φ = 79938432.

The previous prime is 300040529. The next prime is 300040553. The reversal of 300040530 is 35040003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34791 + ... + 42549.

It is an arithmetic number, because the mean of its divisors is an integer number (22523400).

Almost surely, 2^300040530 is an apocalyptic number.

300040530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

300040530 is an abundant number, since it is smaller than the sum of its proper divisors (420708270).

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

300040530 is a wasteful number, since it uses less digits than its factorization.

300040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9058.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 300040530 is about 17321.6780364952. The cubic root of 300040530 is about 669.4630955218.

Adding to 300040530 its reverse (35040003), we get a palindrome (335080533).

The spelling of 300040530 in words is "three hundred million, forty thousand, five hundred thirty".