494607329568 has 480 divisors, whose sum is σ = 1641964927680. Its totient is φ = 144738109440.

The previous prime is 494607329507. The next prime is 494607329609. The reversal of 494607329568 is 865923706494.

494607329568 is a `hidden beast` number, since 4 + 9 + 4 + 60 + 7 + 3 + 2 + 9 + 568 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 146635530 + ... + 146638902.

It is an arithmetic number, because the mean of its divisors is an integer number (3420760266).

Almost surely, 2^494607329568 is an apocalyptic number.

494607329568 is a gapful number since it is divisible by the number (48) 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 494607329568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820982463840).

494607329568 is an abundant number, since it is smaller than the sum of its proper divisors (1147357598112).

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

494607329568 is a wasteful number, since it uses less digits than its factorization.

494607329568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 494607329568 in words is "four hundred ninety-four billion, six hundred seven million, three hundred twenty-nine thousand, five hundred sixty-eight".