494642980 has 48 divisors (see below), whose sum is σ = 1120351680. Its totient is φ = 182360448.

The previous prime is 494642971. The next prime is 494642989. The reversal of 494642980 is 89246494.

It is an interprime number because it is at equal distance from previous prime (494642971) and next prime (494642989).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 494642980.

It is not an unprimeable number, because it can be changed into a prime (494642989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264007 + ... + 265873.

It is an arithmetic number, because the mean of its divisors is an integer number (23340660).

Almost surely, 2^494642980 is an apocalyptic number.

It is an amenable number.

494642980 is an abundant number, since it is smaller than the sum of its proper divisors (625708700).

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

494642980 is a wasteful number, since it uses less digits than its factorization.

494642980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2906 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 494642980 is about 22240.5705862057. The cubic root of 494642980 is about 790.8557622995.

The spelling of 494642980 in words is "four hundred ninety-four million, six hundred forty-two thousand, nine hundred eighty".