26448171415 has 4 divisors (see below), whose sum is σ = 31737805704. Its totient is φ = 21158537128.

The previous prime is 26448171401. The next prime is 26448171443. The reversal of 26448171415 is 51417184462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26448171415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644817137 + ... + 2644817146.

It is an arithmetic number, because the mean of its divisors is an integer number (7934451426).

Almost surely, 2^26448171415 is an apocalyptic number.

26448171415 is a deficient number, since it is larger than the sum of its proper divisors (5289634289).

26448171415 is an equidigital number, since it uses as much as digits as its factorization.

26448171415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289634288.

The product of its digits is 215040, while the sum is 43.

The spelling of 26448171415 in words is "twenty-six billion, four hundred forty-eight million, one hundred seventy-one thousand, four hundred fifteen".