495396642816 has 168 divisors, whose sum is σ = 1484066637144. Its totient is φ = 165131550720.

The previous prime is 495396642803. The next prime is 495396642859. The reversal of 495396642816 is 618246693594.

495396642816 is a `hidden beast` number, since 4 + 9 + 539 + 6 + 64 + 28 + 16 = 666.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1866226 + ... + 2115086.

It is an arithmetic number, because the mean of its divisors is an integer number (8833729983).

Almost surely, 2^495396642816 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 495396642816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742033318572).

495396642816 is an abundant number, since it is smaller than the sum of its proper divisors (988669994328).

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

495396642816 is an frugal number, since it uses more digits than its factorization.

495396642816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248902 (or 248866 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 495396642816 in words is "four hundred ninety-five billion, three hundred ninety-six million, six hundred forty-two thousand, eight hundred sixteen".