26000664640042 has 16 divisors (see below), whose sum is σ = 39737038047840. Its totient is φ = 12754987429392.

The previous prime is 26000664640019. The next prime is 26000664640099. The reversal of 26000664640042 is 24004646600062.

It is a junction number, because it is equal to n+sod(n) for n = 26000664639977 and 26000664640004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34960009 + ... + 35695987.

It is an arithmetic number, because the mean of its divisors is an integer number (2483564877990).

Almost surely, 2^{26000664640042} is an apocalyptic number.

26000664640042 is a deficient number, since it is larger than the sum of its proper divisors (13736373407798).

26000664640042 is a wasteful number, since it uses less digits than its factorization.

26000664640042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069317.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 26000664640042 in words is "twenty-six trillion, six hundred sixty-four million, six hundred forty thousand, forty-two".