26722253723992 has 8 divisors (see below), whose sum is σ = 50104225732500. Its totient is φ = 13361126861992.

The previous prime is 26722253723981. The next prime is 26722253723993. The reversal of 26722253723992 is 29932735222762.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 26722253723992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26722253723993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670140857742 + ... + 1670140857757.

Almost surely, 2^{26722253723992} is an apocalyptic number.

It is an amenable number.

26722253723992 is a deficient number, since it is larger than the sum of its proper divisors (23381972008508).

26722253723992 is a wasteful number, since it uses less digits than its factorization.

26722253723992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340281715505 (or 3340281715501 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 61.

The spelling of 26722253723992 in words is "twenty-six trillion, seven hundred twenty-two billion, two hundred fifty-three million, seven hundred twenty-three thousand, nine hundred ninety-two".