494517136 has 40 divisors (see below), whose sum is σ = 1002652344. Its totient is φ = 236021760.

The previous prime is 494517119. The next prime is 494517137. The reversal of 494517136 is 631715494.

It can be written as a sum of positive squares in 4 ways, for example, as 256000000 + 238517136 = 16000^2 + 15444^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (494517137) 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 7 ways as a sum of consecutive naturals, for example, 23496 + ... + 39256.

Almost surely, 2^494517136 is an apocalyptic number.

It is an amenable number.

494517136 is an abundant number, since it is smaller than the sum of its proper divisors (508135208).

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

494517136 is a wasteful number, since it uses less digits than its factorization.

494517136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15859 (or 15853 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 494517136 is about 22237.7412522046. The cubic root of 494517136 is about 790.7886884045.

The spelling of 494517136 in words is "four hundred ninety-four million, five hundred seventeen thousand, one hundred thirty-six".