26324644055465 has 12 divisors (see below), whose sum is σ = 36747054151236. Its totient is φ = 18051184495008.

The previous prime is 26324644055459. The next prime is 26324644055509. The reversal of 26324644055465 is 56455044642362.

It can be written as a sum of positive squares in 2 ways, for example, as 8521214868544 + 17803429186921 = 2919112^2 + 4219411^2 .

It is not a de Polignac number, because 26324644055465 - 2¹⁴ = 26324644039081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26324644055465.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53723763134 + ... + 53723763623.

It is an arithmetic number, because the mean of its divisors is an integer number (3062254512603).

Almost surely, 2^{26324644055465} is an apocalyptic number.

It is an amenable number.

26324644055465 is a deficient number, since it is larger than the sum of its proper divisors (10422410095771).

26324644055465 is a wasteful number, since it uses less digits than its factorization.

26324644055465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107447526776 (or 107447526769 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 56.

The spelling of 26324644055465 in words is "twenty-six trillion, three hundred twenty-four billion, six hundred forty-four million, fifty-five thousand, four hundred sixty-five".