494655897600 has 432 divisors, whose sum is σ = 1817720533440. Its totient is φ = 131884646400.

The previous prime is 494655897587. The next prime is 494655897601. The reversal of 494655897600 is 6798556494.

494655897600 is a `hidden beast` number, since 4 + 9 + 4 + 6 + 558 + 9 + 76 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494655897601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88470805 + ... + 88476395.

It is an arithmetic number, because the mean of its divisors is an integer number (4207686420).

Almost surely, 2^494655897600 is an apocalyptic number.

494655897600 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 494655897600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908860266720).

494655897600 is an abundant number, since it is smaller than the sum of its proper divisors (1323064635840).

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

494655897600 is an frugal number, since it uses more digits than its factorization.

494655897600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644 (or 5601 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 494655897600 in words is "four hundred ninety-four billion, six hundred fifty-five million, eight hundred ninety-seven thousand, six hundred".