26081009 has 8 divisors (see below), whose sum is σ = 28084320. Its totient is φ = 24129856.

The previous prime is 26080979. The next prime is 26081017. The reversal of 26081009 is 90018062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26081009 - 2⁸ = 26080753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26080009) 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, 11999 + ... + 14004.

It is an arithmetic number, because the mean of its divisors is an integer number (3510540).

Almost surely, 2^26081009 is an apocalyptic number.

It is an amenable number.

26081009 is a deficient number, since it is larger than the sum of its proper divisors (2003311).

26081009 is a wasteful number, since it uses less digits than its factorization.

26081009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26079.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 26081009 is about 5106.9569216903. The cubic root of 26081009 is about 296.5569658506.

The spelling of 26081009 in words is "twenty-six million, eighty-one thousand, nine".