26840448 has 96 divisors (see below), whose sum is σ = 80673840. Its totient is φ = 8549376.

The previous prime is 26840441. The next prime is 26840477. The reversal of 26840448 is 84404862.

It is a tau number, because it is divible by the number of its divisors (96).

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 (26840441) 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, 25990 + ... + 27002.

Almost surely, 2^26840448 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 26840448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40336920).

26840448 is an abundant number, since it is smaller than the sum of its proper divisors (53833392).

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

26840448 is a wasteful number, since it uses less digits than its factorization.

26840448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 26840448 is about 5180.7767757355. The cubic root of 26840448 is about 299.4078988228.

The spelling of 26840448 in words is "twenty-six million, eight hundred forty thousand, four hundred forty-eight".