26109045 has 12 divisors (see below), whose sum is σ = 45255756. Its totient is φ = 13924800.

The previous prime is 26109023. The next prime is 26109053. The reversal of 26109045 is 54090162.

26109045 is a `hidden beast` number, since 2 + 610 + 9 + 0 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19421649 + 6687396 = 4407^2 + 2586^2 .

It is not a de Polignac number, because 26109045 - 2¹⁵ = 26076277 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290056 + ... + 290145.

It is an arithmetic number, because the mean of its divisors is an integer number (3771313).

Almost surely, 2^26109045 is an apocalyptic number.

It is an amenable number.

26109045 is a deficient number, since it is larger than the sum of its proper divisors (19146711).

26109045 is a wasteful number, since it uses less digits than its factorization.

26109045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580212 (or 580209 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 26109045 is about 5109.7010675772. The cubic root of 26109045 is about 296.6631899325.

The spelling of 26109045 in words is "twenty-six million, one hundred nine thousand, forty-five".