494646624 has 72 divisors (see below), whose sum is σ = 1416214800. Its totient is φ = 163761408.

The previous prime is 494646623. The next prime is 494646629. The reversal of 494646624 is 426646494.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 494646624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494646623) 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 11 ways as a sum of consecutive naturals, for example, 37149 + ... + 48675.

It is an arithmetic number, because the mean of its divisors is an integer number (19669650).

Almost surely, 2^494646624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494646624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708107400).

494646624 is an abundant number, since it is smaller than the sum of its proper divisors (921568176).

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

494646624 is a wasteful number, since it uses less digits than its factorization.

494646624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692 (or 11681 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 494646624 is about 22240.6525084135. The cubic root of 494646624 is about 790.8577043543.

The spelling of 494646624 in words is "four hundred ninety-four million, six hundred forty-six thousand, six hundred twenty-four".