495389369826 has 192 divisors, whose sum is σ = 1247362841088. Its totient is φ = 146364910848.

The previous prime is 495389369803. The next prime is 495389369831. The reversal of 495389369826 is 628963983594.

495389369826 is a `hidden beast` number, since 4 + 9 + 538 + 9 + 3 + 6 + 9 + 82 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15722400 + ... + 15753876.

It is an arithmetic number, because the mean of its divisors is an integer number (6496681464).

Almost surely, 2^495389369826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495389369826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623681420544).

495389369826 is an abundant number, since it is smaller than the sum of its proper divisors (751973471262).

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

495389369826 is a wasteful number, since it uses less digits than its factorization.

495389369826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31607 (or 31595 counting only the distinct ones).

The product of its digits is 604661760, while the sum is 72.

The spelling of 495389369826 in words is "four hundred ninety-five billion, three hundred eighty-nine million, three hundred sixty-nine thousand, eight hundred twenty-six".