26390068 has 6 divisors (see below), whose sum is σ = 46182626. Its totient is φ = 13195032.

The previous prime is 26390041. The next prime is 26390071. The reversal of 26390068 is 86009362.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18164644 + 8225424 = 4262^2 + 2868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3298755 + ... + 3298762.

Almost surely, 2^26390068 is an apocalyptic number.

It is an amenable number.

26390068 is a deficient number, since it is larger than the sum of its proper divisors (19792558).

26390068 is a wasteful number, since it uses less digits than its factorization.

26390068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597521 (or 6597519 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26390068 is about 5137.1264341069. The cubic root of 26390068 is about 297.7237654608.

The spelling of 26390068 in words is "twenty-six million, three hundred ninety thousand, sixty-eight".