490159668 has 48 divisors (see below), whose sum is σ = 1172586240. Its totient is φ = 159312384.

The previous prime is 490159667. The next prime is 490159697. The reversal of 490159668 is 866951094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490159667) 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 15 ways as a sum of consecutive naturals, for example, 74821 + ... + 81107.

It is an arithmetic number, because the mean of its divisors is an integer number (24428880).

Almost surely, 2^490159668 is an apocalyptic number.

It is an amenable number.

490159668 is an abundant number, since it is smaller than the sum of its proper divisors (682426572).

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

490159668 is a wasteful number, since it uses less digits than its factorization.

490159668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456 (or 6454 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 490159668 is about 22139.5498599226. The cubic root of 490159668 is about 788.4591383190.

The spelling of 490159668 in words is "four hundred ninety million, one hundred fifty-nine thousand, six hundred sixty-eight".