26240407 has 2 divisors, whose sum is σ = 26240408. Its totient is φ = 26240406.

The previous prime is 26240399. The next prime is 26240419. The reversal of 26240407 is 70404262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26240407 - 2³ = 26240399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26240107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13120203 + 13120204.

It is an arithmetic number, because the mean of its divisors is an integer number (13120204).

Almost surely, 2^26240407 is an apocalyptic number.

26240407 is a deficient number, since it is larger than the sum of its proper divisors (1).

26240407 is an equidigital number, since it uses as much as digits as its factorization.

26240407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 26240407 is about 5122.5391164929. The cubic root of 26240407 is about 297.1598900250.

Adding to 26240407 its reverse (70404262), we get a palindrome (96644669).

The spelling of 26240407 in words is "twenty-six million, two hundred forty thousand, four hundred seven".