490865806608 has 40 divisors (see below), whose sum is σ = 1268109460800. Its totient is φ = 163616843904.

The previous prime is 490865806603. The next prime is 490865806643. The reversal of 490865806608 is 806608568094.

It is not an unprimeable number, because it can be changed into a prime (490865806603) by changing a digit.

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, 1599933 + ... + 1881891.

It is an arithmetic number, because the mean of its divisors is an integer number (31702736520).

Almost surely, 2^490865806608 is an apocalyptic number.

490865806608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

490865806608 is an abundant number, since it is smaller than the sum of its proper divisors (777243654192).

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

490865806608 is a wasteful number, since it uses less digits than its factorization.

490865806608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318239 (or 318233 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 490865806608 in words is "four hundred ninety billion, eight hundred sixty-five million, eight hundred six thousand, six hundred eight".