494484168 has 64 divisors (see below), whose sum is σ = 1321056000. Its totient is φ = 153695232.

The previous prime is 494484167. The next prime is 494484173. The reversal of 494484168 is 861484494.

It is a happy number.

It is a Cunningham number, because it is equal to 22237²-1.

It is not an unprimeable number, because it can be changed into a prime (494484163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38913 + ... + 50031.

It is an arithmetic number, because the mean of its divisors is an integer number (20641500).

Almost surely, 2^494484168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494484168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660528000).

494484168 is an abundant number, since it is smaller than the sum of its proper divisors (826571832).

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

494484168 is a wasteful number, since it uses less digits than its factorization.

494484168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11254 (or 11250 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 494484168 is about 22236.9999775150. Note that the first 4 decimals coincide. The cubic root of 494484168 is about 790.7711148302.

The spelling of 494484168 in words is "four hundred ninety-four million, four hundred eighty-four thousand, one hundred sixty-eight".