26189045 has 4 divisors (see below), whose sum is σ = 31426860. Its totient is φ = 20951232.

The previous prime is 26189041. The next prime is 26189077. The reversal of 26189045 is 54098162.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17656804 + 8532241 = 4202^2 + 2921^2 .

It is a cyclic number.

It is not a de Polignac number, because 26189045 - 2² = 26189041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26188996 and 26189014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26189041) 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, 2618900 + ... + 2618909.

It is an arithmetic number, because the mean of its divisors is an integer number (7856715).

Almost surely, 2^26189045 is an apocalyptic number.

It is an amenable number.

26189045 is a deficient number, since it is larger than the sum of its proper divisors (5237815).

26189045 is an equidigital number, since it uses as much as digits as its factorization.

26189045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237814.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 26189045 is about 5117.5233267666. The cubic root of 26189045 is about 296.9658801361.

The spelling of 26189045 in words is "twenty-six million, one hundred eighty-nine thousand, forty-five".