26668444 has 48 divisors (see below), whose sum is σ = 54595296. Its totient is φ = 11264000.

The previous prime is 26668423. The next prime is 26668459. The reversal of 26668444 is 44486662.

It is a super-2 number, since 2×26668444² = 1422411810762272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26668397 and 26668406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75372 + ... + 75724.

It is an arithmetic number, because the mean of its divisors is an integer number (1137402).

Almost surely, 2^26668444 is an apocalyptic number.

It is an amenable number.

26668444 is an abundant number, since it is smaller than the sum of its proper divisors (27926852).

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

26668444 is a wasteful number, since it uses less digits than its factorization.

26668444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 26668444 is about 5164.1498816359. The cubic root of 26668444 is about 298.7669537481.

The spelling of 26668444 in words is "twenty-six million, six hundred sixty-eight thousand, four hundred forty-four".