494144898 has 32 divisors (see below), whose sum is σ = 1098650112. Its totient is φ = 147139200.

The previous prime is 494144881. The next prime is 494144927. The reversal of 494144898 is 898441494.

It is a self number, because there is not a number n which added to its sum of digits gives 494144898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99763 + ... + 104598.

It is an arithmetic number, because the mean of its divisors is an integer number (34332816).

Almost surely, 2^494144898 is an apocalyptic number.

494144898 is an abundant number, since it is smaller than the sum of its proper divisors (604505214).

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

494144898 is a wasteful number, since it uses less digits than its factorization.

494144898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204410.

The product of its digits is 1327104, while the sum is 51.

The square root of 494144898 is about 22229.3701665162. The cubic root of 494144898 is about 790.5902217471.

The spelling of 494144898 in words is "four hundred ninety-four million, one hundred forty-four thousand, eight hundred ninety-eight".