26340506 has 4 divisors (see below), whose sum is σ = 39510762. Its totient is φ = 13170252.

The previous prime is 26340473. The next prime is 26340521. The reversal of 26340506 is 60504362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 1190281 = 5015^2 + 1091^2 .

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 as a sum of consecutive naturals, namely, 6585125 + ... + 6585128.

Almost surely, 2^26340506 is an apocalyptic number.

26340506 is a deficient number, since it is larger than the sum of its proper divisors (13170256).

26340506 is a wasteful number, since it uses less digits than its factorization.

26340506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170255.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 26340506 is about 5132.3002640142. The cubic root of 26340506 is about 297.5372681227.

Adding to 26340506 its reverse (60504362), we get a palindrome (86844868).

The spelling of 26340506 in words is "twenty-six million, three hundred forty thousand, five hundred six".