494045568 has 160 divisors (see below), whose sum is σ = 1557313560. Its totient is φ = 154939392.

The previous prime is 494045567. The next prime is 494045569. The reversal of 494045568 is 865540494.

494045568 is a `hidden beast` number, since 4 + 9 + 40 + 45 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (494045567) and next prime (494045569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494045567) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 174855 + ... + 177657.

Almost surely, 2^494045568 is an apocalyptic number.

494045568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494045568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778656780).

494045568 is an abundant number, since it is smaller than the sum of its proper divisors (1063267992).

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

494045568 is a wasteful number, since it uses less digits than its factorization.

494045568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 494045568 is about 22227.1358478775. The cubic root of 494045568 is about 790.5372449857.

The spelling of 494045568 in words is "four hundred ninety-four million, forty-five thousand, five hundred sixty-eight".