26256648 has 64 divisors (see below), whose sum is σ = 72069120. Its totient is φ = 7905600.

The previous prime is 26256611. The next prime is 26256661. The reversal of 26256648 is 84665262.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71361 + ... + 71727.

It is an arithmetic number, because the mean of its divisors is an integer number (1126080).

Almost surely, 2^26256648 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 26256648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36034560).

26256648 is an abundant number, since it is smaller than the sum of its proper divisors (45812472).

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

26256648 is a wasteful number, since it uses less digits than its factorization.

26256648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 654 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 26256648 is about 5124.1241202766. The cubic root of 26256648 is about 297.2211845320.

The spelling of 26256648 in words is "twenty-six million, two hundred fifty-six thousand, six hundred forty-eight".