489755808 has 72 divisors (see below), whose sum is σ = 1444349088. Its totient is φ = 163249344.

The previous prime is 489755801. The next prime is 489755809. The reversal of 489755808 is 808557984.

489755808 is a `hidden beast` number, since 4 + 89 + 7 + 558 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (489755801) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23716 + ... + 39267.

It is an arithmetic number, because the mean of its divisors is an integer number (20060404).

Almost surely, 2^489755808 is an apocalyptic number.

489755808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489755808 is an abundant number, since it is smaller than the sum of its proper divisors (954593280).

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

489755808 is an equidigital number, since it uses as much as digits as its factorization.

489755808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63008 (or 62988 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 489755808 is about 22130.4271987687. The cubic root of 489755808 is about 788.2425323007.

The spelling of 489755808 in words is "four hundred eighty-nine million, seven hundred fifty-five thousand, eight hundred eight".