494408159 has 16 divisors (see below), whose sum is σ = 572617728. Its totient is φ = 418126752.

The previous prime is 494408107. The next prime is 494408179. The reversal of 494408159 is 951804494.

It is a cyclic number.

It is not a de Polignac number, because 494408159 - 2¹⁶ = 494342623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494408179) 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, 206282 + ... + 208664.

It is an arithmetic number, because the mean of its divisors is an integer number (35788608).

Almost surely, 2^494408159 is an apocalyptic number.

494408159 is a deficient number, since it is larger than the sum of its proper divisors (78209569).

494408159 is a wasteful number, since it uses less digits than its factorization.

494408159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 494408159 is about 22235.2908458603. The cubic root of 494408159 is about 790.7305952979.

The spelling of 494408159 in words is "four hundred ninety-four million, four hundred eight thousand, one hundred fifty-nine".