494534437056 has 336 divisors, whose sum is σ = 1610953344000. Its totient is φ = 143688038400.

The previous prime is 494534437043. The next prime is 494534437091. The reversal of 494534437056 is 650734435494.

494534437056 is a `hidden beast` number, since 49 + 45 + 3 + 443 + 70 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 494534436993 and 494534437011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21397795 + ... + 21420893.

It is an arithmetic number, because the mean of its divisors is an integer number (4794504000).

Almost surely, 2^494534437056 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 494534437056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805476672000).

494534437056 is an abundant number, since it is smaller than the sum of its proper divisors (1116418906944).

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

494534437056 is a wasteful number, since it uses less digits than its factorization.

494534437056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23268 (or 23255 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 54.

The spelling of 494534437056 in words is "four hundred ninety-four billion, five hundred thirty-four million, four hundred thirty-seven thousand, fifty-six".