26544138 has 16 divisors (see below), whose sum is σ = 54383616. Its totient is φ = 8632160.

The previous prime is 26544107. The next prime is 26544163. The reversal of 26544138 is 83144562.

It is a junction number, because it is equal to n+sod(n) for n = 26544099 and 26544108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53706 + ... + 54197.

It is an arithmetic number, because the mean of its divisors is an integer number (3398976).

Almost surely, 2^26544138 is an apocalyptic number.

26544138 is an abundant number, since it is smaller than the sum of its proper divisors (27839478).

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

26544138 is a wasteful number, since it uses less digits than its factorization.

26544138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107949.

The product of its digits is 23040, while the sum is 33.

The square root of 26544138 is about 5152.1003484016. The cubic root of 26544138 is about 298.3020300132.

The spelling of 26544138 in words is "twenty-six million, five hundred forty-four thousand, one hundred thirty-eight".