26601256 has 16 divisors (see below), whose sum is σ = 54411840. Its totient is φ = 12091440.

The previous prime is 26601247. The next prime is 26601257. The reversal of 26601256 is 65210662.

It is not an unprimeable number, because it can be changed into a prime (26601257) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 151056 + ... + 151231.

It is an arithmetic number, because the mean of its divisors is an integer number (3400740).

Almost surely, 2^26601256 is an apocalyptic number.

It is an amenable number.

26601256 is an abundant number, since it is smaller than the sum of its proper divisors (27810584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26601256 is a wasteful number, since it uses less digits than its factorization.

26601256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302304 (or 302300 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 26601256 is about 5157.6405458310. The cubic root of 26601256 is about 298.5158400426.

It can be divided in two parts, 2660 and 1256, that added together give a triangular number (3916 = T₈₈).

The spelling of 26601256 in words is "twenty-six million, six hundred one thousand, two hundred fifty-six".