485268638 has 16 divisors (see below), whose sum is σ = 778209120. Its totient is φ = 226142976.

The previous prime is 485268613. The next prime is 485268677. The reversal of 485268638 is 836862584.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65783 + ... + 72786.

It is an arithmetic number, because the mean of its divisors is an integer number (48638070).

Almost surely, 2^485268638 is an apocalyptic number.

485268638 is a deficient number, since it is larger than the sum of its proper divisors (292940482).

485268638 is a wasteful number, since it uses less digits than its factorization.

485268638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138691.

The product of its digits is 2211840, while the sum is 50.

The square root of 485268638 is about 22028.8138128225. The cubic root of 485268638 is about 785.8278353547.

The spelling of 485268638 in words is "four hundred eighty-five million, two hundred sixty-eight thousand, six hundred thirty-eight".