506017280 has 80 divisors (see below), whose sum is σ = 1221953040. Its totient is φ = 200957952.

The previous prime is 506017271. The next prime is 506017297. The reversal of 506017280 is 82710605.

It is a tau number, because it is divible by the number of its divisors (80).

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 7 ways as a sum of consecutive naturals, for example, 401291 + ... + 402549.

It is an arithmetic number, because the mean of its divisors is an integer number (15274413).

Almost surely, 2^506017280 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 506017280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610976520).

506017280 is an abundant number, since it is smaller than the sum of its proper divisors (715935760).

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

506017280 is a wasteful number, since it uses less digits than its factorization.

506017280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 506017280 is about 22494.8278499748. The cubic root of 506017280 is about 796.8717837727.

Adding to 506017280 its reverse (82710605), we get a palindrome (588727885).

The spelling of 506017280 in words is "five hundred six million, seventeen thousand, two hundred eighty".