494117508 has 48 divisors (see below), whose sum is σ = 1173070080. Its totient is φ = 161850624.

The previous prime is 494117501. The next prime is 494117521. The reversal of 494117508 is 805711494.

It is a super-2 number, since 2×494117508² = 488304223424260128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494117501) 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, 219766 + ... + 222002.

It is an arithmetic number, because the mean of its divisors is an integer number (24438960).

Almost surely, 2^494117508 is an apocalyptic number.

It is an amenable number.

494117508 is an abundant number, since it is smaller than the sum of its proper divisors (678952572).

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

494117508 is a wasteful number, since it uses less digits than its factorization.

494117508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2554 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 494117508 is about 22228.7540811445. The cubic root of 494117508 is about 790.5756142461.

The spelling of 494117508 in words is "four hundred ninety-four million, one hundred seventeen thousand, five hundred eight".