26642985585 has 16 divisors (see below), whose sum is σ = 42741263040. Its totient is φ = 14172096960.

The previous prime is 26642985521. The next prime is 26642985601. The reversal of 26642985585 is 58558924662.

It is not a de Polignac number, because 26642985585 - 2⁶ = 26642985521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337586 + ... + 2348955.

It is an arithmetic number, because the mean of its divisors is an integer number (2671328940).

Almost surely, 2^26642985585 is an apocalyptic number.

It is an amenable number.

26642985585 is a deficient number, since it is larger than the sum of its proper divisors (16098277455).

26642985585 is a wasteful number, since it uses less digits than its factorization.

26642985585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686928.

The product of its digits is 41472000, while the sum is 60.

The spelling of 26642985585 in words is "twenty-six billion, six hundred forty-two million, nine hundred eighty-five thousand, five hundred eighty-five".