494805618 has 32 divisors (see below), whose sum is σ = 1101424320. Its totient is φ = 164656800.

The previous prime is 494805599. The next prime is 494805637. The reversal of 494805618 is 816508494.

494805618 is a `hidden beast` number, since 4 + 9 + 4 + 80 + 561 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (494805599) and next prime (494805637).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25893 + ... + 40743.

It is an arithmetic number, because the mean of its divisors is an integer number (34419510).

Almost surely, 2^494805618 is an apocalyptic number.

494805618 is an abundant number, since it is smaller than the sum of its proper divisors (606618702).

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

494805618 is a wasteful number, since it uses less digits than its factorization.

494805618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15479 (or 15473 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 494805618 is about 22244.2266217551. The cubic root of 494805618 is about 790.9424302669.

The spelling of 494805618 in words is "four hundred ninety-four million, eight hundred five thousand, six hundred eighteen".