494951333856 has 192 divisors, whose sum is σ = 1500685885440. Its totient is φ = 139909017600.

The previous prime is 494951333777. The next prime is 494951333869. The reversal of 494951333856 is 658333159494.

It is a self number, because there is not a number n which added to its sum of digits gives 494951333856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151963780 + ... + 151967036.

It is an arithmetic number, because the mean of its divisors is an integer number (7816072320).

Almost surely, 2^494951333856 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 494951333856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750342942720).

494951333856 is an abundant number, since it is smaller than the sum of its proper divisors (1005734551584).

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

494951333856 is a wasteful number, since it uses less digits than its factorization.

494951333856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5609 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 60.

The spelling of 494951333856 in words is "four hundred ninety-four billion, nine hundred fifty-one million, three hundred thirty-three thousand, eight hundred fifty-six".