26662734128 has 20 divisors (see below), whose sum is σ = 51975979128. Its totient is φ = 13249578240.

The previous prime is 26662734121. The next prime is 26662734151. The reversal of 26662734128 is 82143726662.

It is not an unprimeable number, because it can be changed into a prime (26662734121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5109113 + ... + 5114328.

Almost surely, 2^26662734128 is an apocalyptic number.

It is an amenable number.

26662734128 is a deficient number, since it is larger than the sum of its proper divisors (25313245000).

26662734128 is a wasteful number, since it uses less digits than its factorization.

26662734128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223612 (or 10223606 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The spelling of 26662734128 in words is "twenty-six billion, six hundred sixty-two million, seven hundred thirty-four thousand, one hundred twenty-eight".