26056405 has 8 divisors (see below), whose sum is σ = 31296672. Its totient is φ = 20825808.

The previous prime is 26056397. The next prime is 26056417. The reversal of 26056405 is 50465062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26056405 - 2³ = 26056397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6534 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (3912084).

Almost surely, 2^26056405 is an apocalyptic number.

It is an amenable number.

26056405 is a deficient number, since it is larger than the sum of its proper divisors (5240267).

26056405 is a wasteful number, since it uses less digits than its factorization.

26056405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 26056405 is about 5104.5474823925. The cubic root of 26056405 is about 296.4636823530.

It can be divided in two parts, 260 and 56405, that added together give a palindrome (56665).

The spelling of 26056405 in words is "twenty-six million, fifty-six thousand, four hundred five".