26438164 has 24 divisors (see below), whose sum is σ = 48254976. Its totient is φ = 12660000.

The previous prime is 26438141. The next prime is 26438189. The reversal of 26438164 is 46183462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11469 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (2010624).

Almost surely, 2^26438164 is an apocalyptic number.

It is an amenable number.

26438164 is a deficient number, since it is larger than the sum of its proper divisors (21816812).

26438164 is a wasteful number, since it uses less digits than its factorization.

26438164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 26438164 is about 5141.8055194649. The cubic root of 26438164 is about 297.9045232622.

The spelling of 26438164 in words is "twenty-six million, four hundred thirty-eight thousand, one hundred sixty-four".