26458420205 has 8 divisors (see below), whose sum is σ = 36285833472. Its totient is φ = 18142916688.

The previous prime is 26458420187. The next prime is 26458420207. The reversal of 26458420205 is 50202485462.

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 26458420205 - 2¹⁶ = 26458354669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26458420207) 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, 377977397 + ... + 377977466.

It is an arithmetic number, because the mean of its divisors is an integer number (4535729184).

Almost surely, 2^26458420205 is an apocalyptic number.

It is an amenable number.

26458420205 is a deficient number, since it is larger than the sum of its proper divisors (9827413267).

26458420205 is an equidigital number, since it uses as much as digits as its factorization.

26458420205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755954875.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 26458420205 in words is "twenty-six billion, four hundred fifty-eight million, four hundred twenty thousand, two hundred five".