26648444 has 12 divisors (see below), whose sum is σ = 48662544. Its totient is φ = 12744864.

The previous prime is 26648441. The next prime is 26648459. The reversal of 26648444 is 44484662.

It is a super-2 number, since 2×26648444² = 1420279135242272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26648398 and 26648407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26648441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144737 + ... + 144920.

It is an arithmetic number, because the mean of its divisors is an integer number (4055212).

Almost surely, 2^26648444 is an apocalyptic number.

It is an amenable number.

26648444 is a deficient number, since it is larger than the sum of its proper divisors (22014100).

26648444 is a wasteful number, since it uses less digits than its factorization.

26648444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289684 (or 289682 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 26648444 is about 5162.2130913011. The cubic root of 26648444 is about 298.6922483093.

The spelling of 26648444 in words is "twenty-six million, six hundred forty-eight thousand, four hundred forty-four".