26458826465 has 16 divisors (see below), whose sum is σ = 32195024640. Its totient is φ = 20872072320.

The previous prime is 26458826431. The next prime is 26458826477. The reversal of 26458826465 is 56462885462.

It is a happy number.

It is not a de Polignac number, because 26458826465 - 2¹⁰ = 26458825441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26458826465.

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, 82310 + ... + 244320.

It is an arithmetic number, because the mean of its divisors is an integer number (2012189040).

Almost surely, 2^26458826465 is an apocalyptic number.

It is an amenable number.

26458826465 is a deficient number, since it is larger than the sum of its proper divisors (5736198175).

26458826465 is a wasteful number, since it uses less digits than its factorization.

26458826465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162472.

The product of its digits is 22118400, while the sum is 56.

The spelling of 26458826465 in words is "twenty-six billion, four hundred fifty-eight million, eight hundred twenty-six thousand, four hundred sixty-five".