26340191 has 8 divisors (see below), whose sum is σ = 28005264. Its totient is φ = 24688000.

The previous prime is 26340169. The next prime is 26340199. The reversal of 26340191 is 19104362.

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 26340191 - 2¹⁰ = 26339167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26340191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340199) 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, 1181 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (3500658).

Almost surely, 2^26340191 is an apocalyptic number.

26340191 is a deficient number, since it is larger than the sum of its proper divisors (1665073).

26340191 is a wasteful number, since it uses less digits than its factorization.

26340191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 26340191 is about 5132.2695759284. The cubic root of 26340191 is about 297.5360820582.

The spelling of 26340191 in words is "twenty-six million, three hundred forty thousand, one hundred ninety-one".