505444672 has 28 divisors (see below), whose sum is σ = 1008556276. Its totient is φ = 251320320.

The previous prime is 505444603. The next prime is 505444691. The reversal of 505444672 is 276444505.

It can be written as a sum of positive squares in 2 ways, for example, as 211527936 + 293916736 = 14544^2 + 17144^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10233 + ... + 33400.

It is an arithmetic number, because the mean of its divisors is an integer number (36019867).

Almost surely, 2^505444672 is an apocalyptic number.

It is an amenable number.

505444672 is a deficient number, since it is larger than the sum of its proper divisors (503111604).

505444672 is a wasteful number, since it uses less digits than its factorization.

505444672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43826 (or 43816 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 505444672 is about 22482.0966993739. The cubic root of 505444672 is about 796.5710908920.

The spelling of 505444672 in words is "five hundred five million, four hundred forty-four thousand, six hundred seventy-two".