26808260549 has 8 divisors (see below), whose sum is σ = 30704475648. Its totient is φ = 22928661360.

The previous prime is 26808260543. The next prime is 26808260587. The reversal of 26808260549 is 94506280862.

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

It is a cyclic number.

It is not a de Polignac number, because 26808260549 - 2¹⁶ = 26808195013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26808260497 and 26808260506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26808260543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150517 + ... + 4156970.

It is an arithmetic number, because the mean of its divisors is an integer number (3838059456).

Almost surely, 2^26808260549 is an apocalyptic number.

It is an amenable number.

26808260549 is a deficient number, since it is larger than the sum of its proper divisors (3896215099).

26808260549 is an equidigital number, since it uses as much as digits as its factorization.

26808260549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307955.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 26808260549 in words is "twenty-six billion, eight hundred eight million, two hundred sixty thousand, five hundred forty-nine".