505232316 has 120 divisors (see below), whose sum is σ = 1447150320. Its totient is φ = 152990208.

The previous prime is 505232297. The next prime is 505232323. The reversal of 505232316 is 613232505.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 505232316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 158151 + ... + 161313.

It is an arithmetic number, because the mean of its divisors is an integer number (12059586).

Almost surely, 2^505232316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505232316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723575160).

505232316 is an abundant number, since it is smaller than the sum of its proper divisors (941918004).

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

505232316 is a wasteful number, since it uses less digits than its factorization.

505232316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 505232316 is about 22477.3734230670. The cubic root of 505232316 is about 796.4595189402.

The spelling of 505232316 in words is "five hundred five million, two hundred thirty-two thousand, three hundred sixteen".