26451648 has 84 divisors (see below), whose sum is σ = 79842360. Its totient is φ = 8349696.

The previous prime is 26451641. The next prime is 26451661. The reversal of 26451648 is 84615462.

26451648 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 1 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26451641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9736 + ... + 12152.

Almost surely, 2^26451648 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 26451648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39921180).

26451648 is an abundant number, since it is smaller than the sum of its proper divisors (53390712).

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

26451648 is a wasteful number, since it uses less digits than its factorization.

26451648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2441 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 26451648 is about 5143.1165648855. The cubic root of 26451648 is about 297.9551604381.

The spelling of 26451648 in words is "twenty-six million, four hundred fifty-one thousand, six hundred forty-eight".