26240263 has 16 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 21406176.

The previous prime is 26240257. The next prime is 26240267. The reversal of 26240263 is 36204262.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26240263 - 2¹⁷ = 26109191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26240267) 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, 55956 + ... + 56422.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^26240263 is an apocalyptic number.

26240263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26240263 is a deficient number, since it is larger than the sum of its proper divisors (5209337).

26240263 is a wasteful number, since it uses less digits than its factorization.

26240263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 26240263 is about 5122.5250609441. The cubic root of 26240263 is about 297.1593464473.

The spelling of 26240263 in words is "twenty-six million, two hundred forty thousand, two hundred sixty-three".