494790568 has 16 divisors (see below), whose sum is σ = 928156500. Its totient is φ = 247282176.

The previous prime is 494790523. The next prime is 494790589. The reversal of 494790568 is 865097494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 484792324 + 9998244 = 22018^2 + 3162^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6168 + ... + 32056.

Almost surely, 2^494790568 is an apocalyptic number.

It is an amenable number.

494790568 is a deficient number, since it is larger than the sum of its proper divisors (433365932).

494790568 is a wasteful number, since it uses less digits than its factorization.

494790568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28284 (or 28280 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 494790568 is about 22243.8883291568. Note that the first 3 decimals coincide. The cubic root of 494790568 is about 790.9344110880.

The spelling of 494790568 in words is "four hundred ninety-four million, seven hundred ninety thousand, five hundred sixty-eight".