26807958544512 has 128 divisors (see below), whose sum is σ = 72889069619520. Its totient is φ = 8725248000000.

The previous prime is 26807958544439. The next prime is 26807958544519. The reversal of 26807958544512 is 21544585970862.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (26807958544519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49282012 + ... + 49823012.

Almost surely, 2^{26807958544512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26807958544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36444534809760).

26807958544512 is an abundant number, since it is smaller than the sum of its proper divisors (46081111075008).

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

26807958544512 is a wasteful number, since it uses less digits than its factorization.

26807958544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544062 (or 544050 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 66.

The spelling of 26807958544512 in words is "twenty-six trillion, eight hundred seven billion, nine hundred fifty-eight million, five hundred forty-four thousand, five hundred twelve".