494779634980 has 48 divisors (see below), whose sum is σ = 1098907104960. Its totient is φ = 186606806400.

The previous prime is 494779634969. The next prime is 494779635017. The reversal of 494779634980 is 89436977494.

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 15 ways as a sum of consecutive naturals, for example, 3005251 + ... + 3165610.

It is an arithmetic number, because the mean of its divisors is an integer number (22893898020).

Almost surely, 2^494779634980 is an apocalyptic number.

It is an amenable number.

494779634980 is an abundant number, since it is smaller than the sum of its proper divisors (604127469980).

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

494779634980 is a wasteful number, since it uses less digits than its factorization.

494779634980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171100 (or 6171098 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 70.

The spelling of 494779634980 in words is "four hundred ninety-four billion, seven hundred seventy-nine million, six hundred thirty-four thousand, nine hundred eighty".