505411264 has 28 divisors (see below), whose sum is σ = 1027392408. Its totient is φ = 246540800.

The previous prime is 505411261. The next prime is 505411279. The reversal of 505411264 is 462114505.

It is not an unprimeable number, because it can be changed into a prime (505411261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93682 + ... + 98929.

It is an arithmetic number, because the mean of its divisors is an integer number (36692586).

Almost surely, 2^505411264 is an apocalyptic number.

It is an amenable number.

505411264 is an abundant number, since it is smaller than the sum of its proper divisors (521981144).

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

505411264 is a wasteful number, since it uses less digits than its factorization.

505411264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192664 (or 192654 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 505411264 is about 22481.3536958965. The cubic root of 505411264 is about 796.5535403833.

Adding to 505411264 its reverse (462114505), we get a palindrome (967525769).

The spelling of 505411264 in words is "five hundred five million, four hundred eleven thousand, two hundred sixty-four".