26002856 has 32 divisors (see below), whose sum is σ = 54492480. Its totient is φ = 11529600.

The previous prime is 26002853. The next prime is 26002861. The reversal of 26002856 is 65820062.

It is a super-2 number, since 2×26002856² = 1352297040313472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26002853) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (1702890).

Almost surely, 2^26002856 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 26002856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27246240).

26002856 is an abundant number, since it is smaller than the sum of its proper divisors (28489624).

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

26002856 is a wasteful number, since it uses less digits than its factorization.

26002856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265 (or 7261 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 26002856 is about 5099.2995597435. The cubic root of 26002856 is about 296.2604537369.

The spelling of 26002856 in words is "twenty-six million, two thousand, eight hundred fifty-six".