505039472 has 120 divisors (see below), whose sum is σ = 1186745472. Its totient is φ = 207446400.

The previous prime is 505039463. The next prime is 505039537. The reversal of 505039472 is 274930505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2393447 + ... + 2393657.

Almost surely, 2^505039472 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 505039472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593372736).

505039472 is an abundant number, since it is smaller than the sum of its proper divisors (681706000).

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

505039472 is a wasteful number, since it uses less digits than its factorization.

505039472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 505039472 is about 22473.0832775567. The cubic root of 505039472 is about 796.3581715135.

Adding to 505039472 its reverse (274930505), we get a palindrome (779969977).

The spelling of 505039472 in words is "five hundred five million, thirty-nine thousand, four hundred seventy-two".