504420066 has 12 divisors (see below), whose sum is σ = 1092910182. Its totient is φ = 168140016.

The previous prime is 504420053. The next prime is 504420071. The reversal of 504420066 is 660024405.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 452795841 + 51624225 = 21279^2 + 7185^2 .

It is a super-3 number, since 3×504420066³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14011651 + ... + 14011686.

Almost surely, 2^504420066 is an apocalyptic number.

504420066 is an abundant number, since it is smaller than the sum of its proper divisors (588490116).

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

504420066 is a wasteful number, since it uses less digits than its factorization.

504420066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28023345 (or 28023342 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 504420066 is about 22459.2979854670. The cubic root of 504420066 is about 796.0324736548.

The spelling of 504420066 in words is "five hundred four million, four hundred twenty thousand, sixty-six".