26256278 has 4 divisors (see below), whose sum is σ = 39384420. Its totient is φ = 13128138.

The previous prime is 26256229. The next prime is 26256289. The reversal of 26256278 is 87265262.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6564068 + ... + 6564071.

It is an arithmetic number, because the mean of its divisors is an integer number (9846105).

Almost surely, 2^26256278 is an apocalyptic number.

26256278 is a deficient number, since it is larger than the sum of its proper divisors (13128142).

26256278 is a wasteful number, since it uses less digits than its factorization.

26256278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128141.

The product of its digits is 80640, while the sum is 38.

The square root of 26256278 is about 5124.0880164181. The cubic root of 26256278 is about 297.2197884112.

The spelling of 26256278 in words is "twenty-six million, two hundred fifty-six thousand, two hundred seventy-eight".