26463845 has 4 divisors (see below), whose sum is σ = 31756620. Its totient is φ = 21171072.

The previous prime is 26463841. The next prime is 26463847. The reversal of 26463845 is 54836462.

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 8196769 + 18267076 = 2863^2 + 4274^2 .

It is a cyclic number.

It is not a de Polignac number, because 26463845 - 2² = 26463841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26463799 and 26463808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26463841) 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, 2646380 + ... + 2646389.

It is an arithmetic number, because the mean of its divisors is an integer number (7939155).

Almost surely, 2^26463845 is an apocalyptic number.

It is an amenable number.

26463845 is a deficient number, since it is larger than the sum of its proper divisors (5292775).

26463845 is an equidigital number, since it uses as much as digits as its factorization.

26463845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292774.

The product of its digits is 138240, while the sum is 38.

The square root of 26463845 is about 5144.3021878579. The cubic root of 26463845 is about 298.0009496539. Note that the first 3 decimals are identical.

The spelling of 26463845 in words is "twenty-six million, four hundred sixty-three thousand, eight hundred forty-five".