26664244 has 6 divisors (see below), whose sum is σ = 46662434. Its totient is φ = 13332120.

The previous prime is 26664241. The next prime is 26664289. The reversal of 26664244 is 44246662.

It can be written as a sum of positive squares in only one way, i.e., 25623844 + 1040400 = 5062^2 + 1020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26664241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333027 + ... + 3333034.

Almost surely, 2^26664244 is an apocalyptic number.

It is an amenable number.

26664244 is a deficient number, since it is larger than the sum of its proper divisors (19998190).

26664244 is a wasteful number, since it uses less digits than its factorization.

26664244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666065 (or 6666063 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 26664244 is about 5163.7432159239. The cubic root of 26664244 is about 298.7512687049.

The spelling of 26664244 in words is "twenty-six million, six hundred sixty-four thousand, two hundred forty-four".