26450645 has 16 divisors (see below), whose sum is σ = 34350960. Its totient is φ = 19436544.

The previous prime is 26450609. The next prime is 26450647. The reversal of 26450645 is 54605462.

It can be written as a sum of positive squares in 8 ways, for example, as 196 + 26450449 = 14^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 26450645 - 2¹⁶ = 26385109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26450647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13997 + ... + 15773.

It is an arithmetic number, because the mean of its divisors is an integer number (2146935).

Almost surely, 2^26450645 is an apocalyptic number.

It is an amenable number.

26450645 is a deficient number, since it is larger than the sum of its proper divisors (7900315).

26450645 is a wasteful number, since it uses less digits than its factorization.

26450645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 26450645 is about 5143.0190549909. The cubic root of 26450645 is about 297.9513944118.

The spelling of 26450645 in words is "twenty-six million, four hundred fifty thousand, six hundred forty-five".