26340336465 has 16 divisors (see below), whose sum is σ = 42173223936. Its totient is φ = 14038617600.

The previous prime is 26340336461. The next prime is 26340336497. The reversal of 26340336465 is 56463304362.

It is not a de Polignac number, because 26340336465 - 2² = 26340336461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26340336461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574816 + ... + 618945.

It is an arithmetic number, because the mean of its divisors is an integer number (2635826496).

Almost surely, 2^26340336465 is an apocalyptic number.

It is an amenable number.

26340336465 is a deficient number, since it is larger than the sum of its proper divisors (15832887471).

26340336465 is a wasteful number, since it uses less digits than its factorization.

26340336465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195240.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 26340336465 in words is "twenty-six billion, three hundred forty million, three hundred thirty-six thousand, four hundred sixty-five".