494888178 has 16 divisors (see below), whose sum is σ = 996082560. Its totient is φ = 163911696.

The previous prime is 494888167. The next prime is 494888201. The reversal of 494888178 is 871888494.

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 7 ways as a sum of consecutive naturals, for example, 261738 + ... + 263621.

It is an arithmetic number, because the mean of its divisors is an integer number (62255160).

Almost surely, 2^494888178 is an apocalyptic number.

494888178 is an abundant number, since it is smaller than the sum of its proper divisors (501194382).

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

494888178 is a wasteful number, since it uses less digits than its factorization.

494888178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525521.

The product of its digits is 4128768, while the sum is 57.

The square root of 494888178 is about 22246.0823067793. The cubic root of 494888178 is about 790.9864182985.

The spelling of 494888178 in words is "four hundred ninety-four million, eight hundred eighty-eight thousand, one hundred seventy-eight".