26390116 has 12 divisors (see below), whose sum is σ = 47775420. Its totient is φ = 12740000.

The previous prime is 26390113. The next prime is 26390153. The reversal of 26390116 is 61109362.

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 20160100 = 2496^2 + 4490^2 .

It is not an unprimeable number, because it can be changed into a prime (26390113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113635 + ... + 113866.

It is an arithmetic number, because the mean of its divisors is an integer number (3981285).

Almost surely, 2^26390116 is an apocalyptic number.

It is an amenable number.

26390116 is a deficient number, since it is larger than the sum of its proper divisors (21385304).

26390116 is a wasteful number, since it uses less digits than its factorization.

26390116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227534 (or 227532 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 26390116 is about 5137.1311059773. The cubic root of 26390116 is about 297.7239459672.

Adding to 26390116 its reverse (61109362), we get a palindrome (87499478).

The spelling of 26390116 in words is "twenty-six million, three hundred ninety thousand, one hundred sixteen".