26140244 has 18 divisors (see below), whose sum is σ = 49536270. Its totient is φ = 12064416.

The previous prime is 26140217. The next prime is 26140253. The reversal of 26140244 is 44204162.

It can be written as a sum of positive squares in 3 ways, for example, as 1020100 + 25120144 = 1010^2 + 5012^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18659 + ... + 20010.

It is an arithmetic number, because the mean of its divisors is an integer number (2752015).

Almost surely, 2^26140244 is an apocalyptic number.

It is an amenable number.

26140244 is a deficient number, since it is larger than the sum of its proper divisors (23396026).

26140244 is a wasteful number, since it uses less digits than its factorization.

26140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38699 (or 38684 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 26140244 is about 5112.7530744209. The cubic root of 26140244 is about 296.7813087766.

The spelling of 26140244 in words is "twenty-six million, one hundred forty thousand, two hundred forty-four".