26380159 has 4 divisors (see below), whose sum is σ = 28409416. Its totient is φ = 24350904.

The previous prime is 26380157. The next prime is 26380183. The reversal of 26380159 is 95108362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26380159 - 2¹ = 26380157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26380157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014609 + ... + 1014634.

It is an arithmetic number, because the mean of its divisors is an integer number (7102354).

Almost surely, 2^26380159 is an apocalyptic number.

26380159 is a deficient number, since it is larger than the sum of its proper divisors (2029257).

26380159 is a wasteful number, since it uses less digits than its factorization.

26380159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029256.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 26380159 is about 5136.1618938659. The cubic root of 26380159 is about 297.6864974741.

The spelling of 26380159 in words is "twenty-six million, three hundred eighty thousand, one hundred fifty-nine".