504491018 has 8 divisors (see below), whose sum is σ = 782830980. Its totient is φ = 243547360.

The previous prime is 504491011. The next prime is 504491033. The reversal of 504491018 is 810194405.

It can be written as a sum of positive squares in 2 ways, for example, as 485629369 + 18861649 = 22037^2 + 4343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×504491018³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (504491011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4349003 + ... + 4349118.

Almost surely, 2^504491018 is an apocalyptic number.

504491018 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

504491018 is a deficient number, since it is larger than the sum of its proper divisors (278339962).

504491018 is a wasteful number, since it uses less digits than its factorization.

504491018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698152.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 504491018 is about 22460.8774984416. The cubic root of 504491018 is about 796.0697953581.

The spelling of 504491018 in words is "five hundred four million, four hundred ninety-one thousand, eighteen".