505574442 has 12 divisors (see below), whose sum is σ = 1095411330. Its totient is φ = 168524808.

The previous prime is 505574437. The next prime is 505574467. The reversal of 505574442 is 244475505.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 401962401 + 103612041 = 20049^2 + 10179^2 .

It is a super-2 number, since 2×505574442² = 511211032807222728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505574397 and 505574406.

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 5 ways as a sum of consecutive naturals, for example, 14043717 + ... + 14043752.

Almost surely, 2^505574442 is an apocalyptic number.

505574442 is an abundant number, since it is smaller than the sum of its proper divisors (589836888).

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

505574442 is a wasteful number, since it uses less digits than its factorization.

505574442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28087477 (or 28087474 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 505574442 is about 22484.9825883855. The cubic root of 505574442 is about 796.6392567341.

It can be divided in two parts, 5055 and 74442, that added together give a palindrome (79497).

The spelling of 505574442 in words is "five hundred five million, five hundred seventy-four thousand, four hundred forty-two".