505055444 has 12 divisors (see below), whose sum is σ = 900523764. Its totient is φ = 247762944.

The previous prime is 505055437. The next prime is 505055461. The reversal of 505055444 is 444550505.

It can be written as a sum of positive squares in 2 ways, for example, as 208802500 + 296252944 = 14450^2 + 17212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 505055444.

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 3 ways as a sum of consecutive naturals, for example, 1190957 + ... + 1191380.

It is an arithmetic number, because the mean of its divisors is an integer number (75043647).

Almost surely, 2^505055444 is an apocalyptic number.

It is an amenable number.

505055444 is a deficient number, since it is larger than the sum of its proper divisors (395468320).

505055444 is a wasteful number, since it uses less digits than its factorization.

505055444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382394 (or 2382392 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 505055444 is about 22473.4386331954. The cubic root of 505055444 is about 796.3665664340.

The spelling of 505055444 in words is "five hundred five million, fifty-five thousand, four hundred forty-four".