494604406494 has 256 divisors, whose sum is σ = 1264638735360. Its totient is φ = 141923819520.

The previous prime is 494604406493. The next prime is 494604406553.

494604406494 is a `hidden beast` number, since 4 + 94 + 60 + 4 + 4 + 0 + 6 + 494 = 666.

494604406494 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 494604406494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494604406493) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 318482422 + ... + 318483974.

It is an arithmetic number, because the mean of its divisors is an integer number (4939995060).

Almost surely, 2^494604406494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494604406494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632319367680).

494604406494 is an abundant number, since it is smaller than the sum of its proper divisors (770034328866).

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

494604406494 is a wasteful number, since it uses less digits than its factorization.

494604406494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 494604406494 in words is "four hundred ninety-four billion, six hundred four million, four hundred six thousand, four hundred ninety-four".