26690445 has 32 divisors (see below), whose sum is σ = 47725440. Its totient is φ = 14152320.

The previous prime is 26690437. The next prime is 26690483. The reversal of 26690445 is 54409662.

It is not a de Polignac number, because 26690445 - 2³ = 26690437 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 28017 + ... + 28953.

It is an arithmetic number, because the mean of its divisors is an integer number (1491420).

Almost surely, 2^26690445 is an apocalyptic number.

It is an amenable number.

26690445 is a deficient number, since it is larger than the sum of its proper divisors (21034995).

26690445 is a wasteful number, since it uses less digits than its factorization.

26690445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26690445 is about 5166.2796091578. The cubic root of 26690445 is about 298.8490903361.

The spelling of 26690445 in words is "twenty-six million, six hundred ninety thousand, four hundred forty-five".