505240330 has 16 divisors (see below), whose sum is σ = 1039351680. Its totient is φ = 173225232.

The previous prime is 505240321. The next prime is 505240363. The reversal of 505240330 is 33042505.

505240330 is digitally balanced in base 6, 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 7 ways as a sum of consecutive naturals, for example, 3608790 + ... + 3608929.

It is an arithmetic number, because the mean of its divisors is an integer number (64959480).

Almost surely, 2^505240330 is an apocalyptic number.

505240330 is an abundant number, since it is smaller than the sum of its proper divisors (534111350).

505240330 is a wasteful number, since it uses less digits than its factorization.

505240330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217733.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 505240330 is about 22477.5516905200. The cubic root of 505240330 is about 796.4637300676.

Adding to 505240330 its reverse (33042505), we get a palindrome (538282835).

The spelling of 505240330 in words is "five hundred five million, two hundred forty thousand, three hundred thirty".