26272734646 has 8 divisors (see below), whose sum is σ = 40370299704. Its totient is φ = 12815968080.

The previous prime is 26272734629. The next prime is 26272734703. The reversal of 26272734646 is 64643727262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 26272734646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160199520 + ... + 160199683.

It is an arithmetic number, because the mean of its divisors is an integer number (5046287463).

Almost surely, 2^26272734646 is an apocalyptic number.

26272734646 is a deficient number, since it is larger than the sum of its proper divisors (14097565058).

26272734646 is a wasteful number, since it uses less digits than its factorization.

26272734646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320399246.

The product of its digits is 4064256, while the sum is 49.

The spelling of 26272734646 in words is "twenty-six billion, two hundred seventy-two million, seven hundred thirty-four thousand, six hundred forty-six".