505424216 has 16 divisors (see below), whose sum is σ = 1033822440. Its totient is φ = 229738240.

The previous prime is 505424191. The next prime is 505424233. The reversal of 505424216 is 612424505.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2871641 + ... + 2871816.

Almost surely, 2^505424216 is an apocalyptic number.

It is an amenable number.

505424216 is an abundant number, since it is smaller than the sum of its proper divisors (528398224).

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

505424216 is a wasteful number, since it uses less digits than its factorization.

505424216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743474 (or 5743470 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 505424216 is about 22481.6417549965. The cubic root of 505424216 is about 796.5603446594.

The spelling of 505424216 in words is "five hundred five million, four hundred twenty-four thousand, two hundred sixteen".