494566691635200 has 816 divisors, whose sum is σ = 1679473749657600. Its totient is φ = 128373856665600.

The previous prime is 494566691635189. The next prime is 494566691635201. The reversal of 494566691635200 is 2536196665494.

It is not an unprimeable number, because it can be changed into a prime (494566691635201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27569347831 + ... + 27569365769.

Almost surely, 2^{494566691635200} is an apocalyptic number.

494566691635200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494566691635200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839736874828800).

494566691635200 is an abundant number, since it is smaller than the sum of its proper divisors (1184907058022400).

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

494566691635200 is an equidigital number, since it uses as much as digits as its factorization.

494566691635200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18134 (or 18099 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 66.

The spelling of 494566691635200 in words is "four hundred ninety-four trillion, five hundred sixty-six billion, six hundred ninety-one million, six hundred thirty-five thousand, two hundred".