26041690 has 16 divisors (see below), whose sum is σ = 47149128. Its totient is φ = 10355776.

The previous prime is 26041657. The next prime is 26041699. The reversal of 26041690 is 9614062.

It can be written as a sum of positive squares in 4 ways, for example, as 25938649 + 103041 = 5093^2 + 321^2 .

It is a super-2 number, since 2×26041690² = 1356339236112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26041699) 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, 5797 + ... + 9256.

Almost surely, 2^26041690 is an apocalyptic number.

26041690 is a deficient number, since it is larger than the sum of its proper divisors (21107438).

26041690 is a wasteful number, since it uses less digits than its factorization.

26041690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15233.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 26041690 is about 5103.1059169882. The cubic root of 26041690 is about 296.4078639013.

The spelling of 26041690 in words is "twenty-six million, forty-one thousand, six hundred ninety".