26506255443 has 8 divisors (see below), whose sum is σ = 35376704400. Its totient is φ = 17653321728.

The previous prime is 26506255441. The next prime is 26506255487. The reversal of 26506255443 is 34455260562.

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

It is not a de Polignac number, because 26506255443 - 2¹ = 26506255441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26506255395 and 26506255404.

It is not an unprimeable number, because it can be changed into a prime (26506255441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4375278 + ... + 4381331.

It is an arithmetic number, because the mean of its divisors is an integer number (4422088050).

Almost surely, 2^26506255443 is an apocalyptic number.

26506255443 is a deficient number, since it is larger than the sum of its proper divisors (8870448957).

26506255443 is a wasteful number, since it uses less digits than its factorization.

26506255443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757621.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 26506255443 in words is "twenty-six billion, five hundred six million, two hundred fifty-five thousand, four hundred forty-three".