26268690415 has 24 divisors (see below), whose sum is σ = 34666498944. Its totient is φ = 19094644800.

The previous prime is 26268690403. The next prime is 26268690467. The reversal of 26268690415 is 51409686262.

It is not a de Polignac number, because 26268690415 - 2⁹ = 26268689903 is a prime.

It is a super-2 number, since 2×26268690415² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1286385 + ... + 1306645.

It is an arithmetic number, because the mean of its divisors is an integer number (1444437456).

Almost surely, 2^26268690415 is an apocalyptic number.

26268690415 is a deficient number, since it is larger than the sum of its proper divisors (8397808529).

26268690415 is a wasteful number, since it uses less digits than its factorization.

26268690415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22431 (or 22420 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 26268690415 in words is "twenty-six billion, two hundred sixty-eight million, six hundred ninety thousand, four hundred fifteen".