485641808 has 20 divisors (see below), whose sum is σ = 941734740. Its totient is φ = 242613504.

The previous prime is 485641799. The next prime is 485641811. The reversal of 485641808 is 808146584.

It can be written as a sum of positive squares in 2 ways, for example, as 470369344 + 15272464 = 21688^2 + 3908^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7316 + ... + 32012.

It is an arithmetic number, because the mean of its divisors is an integer number (47086737).

Almost surely, 2^485641808 is an apocalyptic number.

It is an amenable number.

485641808 is a deficient number, since it is larger than the sum of its proper divisors (456092932).

485641808 is a wasteful number, since it uses less digits than its factorization.

485641808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25934 (or 25928 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 485641808 is about 22037.2822280789. The cubic root of 485641808 is about 786.0292167572.

It can be divided in two parts, 4856 and 41808, that added together give a palindrome (46664).

The spelling of 485641808 in words is "four hundred eighty-five million, six hundred forty-one thousand, eight hundred eight".