495138068 has 12 divisors (see below), whose sum is σ = 867044052. Its totient is φ = 247411200.

The previous prime is 495138067. The next prime is 495138071. The reversal of 495138068 is 860831594.

It can be written as a sum of positive squares in 2 ways, for example, as 445969924 + 49168144 = 21118^2 + 7012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495138067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32255 + ... + 45062.

It is an arithmetic number, because the mean of its divisors is an integer number (72253671).

Almost surely, 2^495138068 is an apocalyptic number.

It is an amenable number.

495138068 is a deficient number, since it is larger than the sum of its proper divisors (371905984).

495138068 is a wasteful number, since it uses less digits than its factorization.

495138068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78922 (or 78920 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 495138068 is about 22251.6980925052. The cubic root of 495138068 is about 791.1195300769.

The spelling of 495138068 in words is "four hundred ninety-five million, one hundred thirty-eight thousand, sixty-eight".