26648438 has 16 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 13079976.

The previous prime is 26648411. The next prime is 26648441. The reversal of 26648438 is 83484662.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26648395 and 26648404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35495 + ... + 36237.

It is an arithmetic number, because the mean of its divisors is an integer number (2544480).

Almost surely, 2^26648438 is an apocalyptic number.

26648438 is a deficient number, since it is larger than the sum of its proper divisors (14063242).

26648438 is a wasteful number, since it uses less digits than its factorization.

26648438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its digits is 221184, while the sum is 41.

The square root of 26648438 is about 5162.2125101549. The cubic root of 26648438 is about 298.6922258920.

The spelling of 26648438 in words is "twenty-six million, six hundred forty-eight thousand, four hundred thirty-eight".