494256678 has 8 divisors (see below), whose sum is σ = 988513368. Its totient is φ = 164752224.

The previous prime is 494256661. The next prime is 494256701. The reversal of 494256678 is 876652494.

It is a sphenic number, since it is the product of 3 distinct primes.

494256678 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 494256678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41188051 + ... + 41188062.

It is an arithmetic number, because the mean of its divisors is an integer number (123564171).

Almost surely, 2^494256678 is an apocalyptic number.

494256678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

494256678 is a wasteful number, since it uses less digits than its factorization.

494256678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82376118.

The product of its digits is 2903040, while the sum is 51.

The square root of 494256678 is about 22231.8842656218. The cubic root of 494256678 is about 790.6498301148.

The spelling of 494256678 in words is "four hundred ninety-four million, two hundred fifty-six thousand, six hundred seventy-eight".