26138244 has 24 divisors (see below), whose sum is σ = 66534048. Its totient is φ = 7920640.

The previous prime is 26138213. The next prime is 26138249. The reversal of 26138244 is 44283162.

It is not an unprimeable number, because it can be changed into a prime (26138249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98877 + ... + 99140.

It is an arithmetic number, because the mean of its divisors is an integer number (2772252).

Almost surely, 2^26138244 is an apocalyptic number.

It is an amenable number.

26138244 is an abundant number, since it is smaller than the sum of its proper divisors (40395804).

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

26138244 is a wasteful number, since it uses less digits than its factorization.

26138244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198035 (or 198033 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 26138244 is about 5112.5574813395. The cubic root of 26138244 is about 296.7737396333.

The spelling of 26138244 in words is "twenty-six million, one hundred thirty-eight thousand, two hundred forty-four".