26638485 has 16 divisors (see below), whose sum is σ = 44475264. Its totient is φ = 13589312.

The previous prime is 26638477. The next prime is 26638499. The reversal of 26638485 is 58483662.

It is a cyclic number.

It is not a de Polignac number, because 26638485 - 2³ = 26638477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38262 + ... + 38951.

It is an arithmetic number, because the mean of its divisors is an integer number (2779704).

Almost surely, 2^26638485 is an apocalyptic number.

It is an amenable number.

26638485 is a deficient number, since it is larger than the sum of its proper divisors (17836779).

26638485 is a wasteful number, since it uses less digits than its factorization.

26638485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77244.

The product of its digits is 276480, while the sum is 42.

The square root of 26638485 is about 5161.2483954950. The cubic root of 26638485 is about 298.6550347951.

The spelling of 26638485 in words is "twenty-six million, six hundred thirty-eight thousand, four hundred eighty-five".