490658018 has 32 divisors (see below), whose sum is σ = 797852160. Its totient is φ = 225751680.

The previous prime is 490658017. The next prime is 490658059. The reversal of 490658018 is 810856094.

It is not an unprimeable number, because it can be changed into a prime (490658017) 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, 118430 + ... + 122502.

It is an arithmetic number, because the mean of its divisors is an integer number (24932880).

Almost surely, 2^490658018 is an apocalyptic number.

490658018 is a deficient number, since it is larger than the sum of its proper divisors (307194142).

490658018 is a wasteful number, since it uses less digits than its factorization.

490658018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 490658018 is about 22150.8017462123. The cubic root of 490658018 is about 788.7262591150.

The spelling of 490658018 in words is "four hundred ninety million, six hundred fifty-eight thousand, eighteen".