26809648 has 40 divisors (see below), whose sum is σ = 53501040. Its totient is φ = 13009920.

The previous prime is 26809639. The next prime is 26809649. The reversal of 26809648 is 84690862.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26809649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95268 + ... + 95548.

It is an arithmetic number, because the mean of its divisors is an integer number (1337526).

Almost surely, 2^26809648 is an apocalyptic number.

It is an amenable number.

26809648 is a deficient number, since it is larger than the sum of its proper divisors (26691392).

26809648 is a wasteful number, since it uses less digits than its factorization.

26809648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 26809648 is about 5177.8033952633. The cubic root of 26809648 is about 299.2933292880.

The spelling of 26809648 in words is "twenty-six million, eight hundred nine thousand, six hundred forty-eight".