26390668 has 12 divisors (see below), whose sum is σ = 46816840. Its totient is φ = 13014432.

The previous prime is 26390659. The next prime is 26390669. The reversal of 26390668 is 86609362.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26390668.

It is not an unprimeable number, because it can be changed into a prime (26390669) 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, 44898 + ... + 45481.

Almost surely, 2^26390668 is an apocalyptic number.

It is an amenable number.

26390668 is a deficient number, since it is larger than the sum of its proper divisors (20426172).

26390668 is a wasteful number, since it uses less digits than its factorization.

26390668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90456 (or 90454 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 26390668 is about 5137.1848321819. The cubic root of 26390668 is about 297.7260217756.

The spelling of 26390668 in words is "twenty-six million, three hundred ninety thousand, six hundred sixty-eight".