494894144 has 28 divisors (see below), whose sum is σ = 988330764. Its totient is φ = 245865984.

The previous prime is 494894143. The next prime is 494894173. The reversal of 494894144 is 441498494.

It can be written as a sum of positive squares in 2 ways, for example, as 98406400 + 396487744 = 9920^2 + 19912^2 .

It is a super-4 number, since 4×494894144⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (494894143) 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 3 ways as a sum of consecutive naturals, for example, 14579 + ... + 34674.

Almost surely, 2^494894144 is an apocalyptic number.

It is an amenable number.

494894144 is a deficient number, since it is larger than the sum of its proper divisors (493436620).

494894144 is a wasteful number, since it uses less digits than its factorization.

494894144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49422 (or 49412 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 494894144 is about 22246.2163974012. The cubic root of 494894144 is about 790.9895967984.

The spelling of 494894144 in words is "four hundred ninety-four million, eight hundred ninety-four thousand, one hundred forty-four".