26497856 has 112 divisors (see below), whose sum is σ = 69250560. Its totient is φ = 9745920.

The previous prime is 26497853. The next prime is 26497873. The reversal of 26497856 is 65879462.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 26497856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26497853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93491 + ... + 93773.

Almost surely, 2^26497856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26497856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34625280).

26497856 is an abundant number, since it is smaller than the sum of its proper divisors (42752704).

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

26497856 is a wasteful number, since it uses less digits than its factorization.

26497856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 322 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 26497856 is about 5147.6068225924. The cubic root of 26497856 is about 298.1285573576.

The spelling of 26497856 in words is "twenty-six million, four hundred ninety-seven thousand, eight hundred fifty-six".