494784677728 has 36 divisors (see below), whose sum is σ = 1070713028700. Its totient is φ = 224902124480.

The previous prime is 494784677711. The next prime is 494784677741. The reversal of 494784677728 is 827776487494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63888778 + ... + 63896521.

It is an arithmetic number, because the mean of its divisors is an integer number (29742028575).

Almost surely, 2^494784677728 is an apocalyptic number.

It is an amenable number.

494784677728 is an abundant number, since it is smaller than the sum of its proper divisors (575928350972).

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

494784677728 is a wasteful number, since it uses less digits than its factorization.

494784677728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127785331 (or 127785312 counting only the distinct ones).

The product of its digits is 1062125568, while the sum is 73.

The spelling of 494784677728 in words is "four hundred ninety-four billion, seven hundred eighty-four million, six hundred seventy-seven thousand, seven hundred twenty-eight".