495138834468 has 36 divisors (see below), whose sum is σ = 1251622334508. Its totient is φ = 165043457280.

The previous prime is 495138834401. The next prime is 495138834497. The reversal of 495138834468 is 864438831594.

495138834468 is a `hidden beast` number, since 4 + 9 + 5 + 138 + 8 + 34 + 468 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 360201628224 + 134937206244 = 600168^2 + 367338^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3887280 + ... + 4012632.

Almost surely, 2^495138834468 is an apocalyptic number.

It is an amenable number.

495138834468 is an abundant number, since it is smaller than the sum of its proper divisors (756483500040).

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

495138834468 is a wasteful number, since it uses less digits than its factorization.

495138834468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235084 (or 235079 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 495138834468 in words is "four hundred ninety-five billion, one hundred thirty-eight million, eight hundred thirty-four thousand, four hundred sixty-eight".