26040249 has 12 divisors (see below), whose sum is σ = 37719396. Its totient is φ = 17311392.

The previous prime is 26040247. The next prime is 26040251. The reversal of 26040249 is 94204062.

It is an interprime number because it is at equal distance from previous prime (26040247) and next prime (26040251).

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 8020224 = 4245^2 + 2832^2 .

It is not a de Polignac number, because 26040249 - 2¹ = 26040247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26040247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (3143283).

Almost surely, 2^26040249 is an apocalyptic number.

It is an amenable number.

26040249 is a deficient number, since it is larger than the sum of its proper divisors (11679147).

26040249 is a wasteful number, since it uses less digits than its factorization.

26040249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136 (or 8133 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26040249 is about 5102.9647265095. The cubic root of 26040249 is about 296.4023966216.

The spelling of 26040249 in words is "twenty-six million, forty thousand, two hundred forty-nine".