494656778044 has 96 divisors (see below), whose sum is σ = 1080788631552. Its totient is φ = 194617728000.

The previous prime is 494656778039. The next prime is 494656778059. The reversal of 494656778044 is 440877656494.

It is a happy number.

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, 2541349 + ... + 2729059.

It is an arithmetic number, because the mean of its divisors is an integer number (11258214912).

Almost surely, 2^494656778044 is an apocalyptic number.

494656778044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

494656778044 is an abundant number, since it is smaller than the sum of its proper divisors (586131853508).

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

494656778044 is a wasteful number, since it uses less digits than its factorization.

494656778044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188027 (or 188025 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 494656778044 in words is "four hundred ninety-four billion, six hundred fifty-six million, seven hundred seventy-eight thousand, forty-four".