494261824 has 63 divisors (see below), whose sum is σ = 1143812673. Its totient is φ = 211292928.

The previous prime is 494261813. The next prime is 494261843. The reversal of 494261824 is 428162494.

The square root of 494261824 is 22232.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 331240000 + 163021824 = 18200^2 + 12768^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1244794 + ... + 1245190.

Almost surely, 2^494261824 is an apocalyptic number.

494261824 is the 22232-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494261824

494261824 is an abundant number, since it is smaller than the sum of its proper divisors (649550849).

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

494261824 is an frugal number, since it uses more digits than its factorization.

494261824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 406 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The cubic root of 494261824 is about 790.6525740804.

It can be divided in two parts, 4942 and 61824, that added together give a palindrome (66766).

The spelling of 494261824 in words is "four hundred ninety-four million, two hundred sixty-one thousand, eight hundred twenty-four".