26020040266 has 16 divisors (see below), whose sum is σ = 43484169600. Its totient is φ = 11575646080.

The previous prime is 26020040171. The next prime is 26020040303. The reversal of 26020040266 is 66204002062.

It is a super-2 number, since 2×26020040266² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12581191 + ... + 12583258.

It is an arithmetic number, because the mean of its divisors is an integer number (2717760600).

Almost surely, 2^26020040266 is an apocalyptic number.

26020040266 is a deficient number, since it is larger than the sum of its proper divisors (17464129334).

26020040266 is a wasteful number, since it uses less digits than its factorization.

26020040266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25164509.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 26020040266 in words is "twenty-six billion, twenty million, forty thousand, two hundred sixty-six".