26410364505 has 48 divisors (see below), whose sum is σ = 52329214080. Its totient is φ = 12070646784.

The previous prime is 26410364479. The next prime is 26410364507. The reversal of 26410364505 is 50546301462.

26410364505 is a `hidden beast` number, since 2 + 6 + 4 + 1 + 0 + 3 + 645 + 0 + 5 = 666.

It is not a de Polignac number, because 26410364505 - 2⁵ = 26410364473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26410364505.

It is not an unprimeable number, because it can be changed into a prime (26410364507) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2503081 + ... + 2513609.

It is an arithmetic number, because the mean of its divisors is an integer number (1090191960).

Almost surely, 2^26410364505 is an apocalyptic number.

It is an amenable number.

26410364505 is a deficient number, since it is larger than the sum of its proper divisors (25918849575).

26410364505 is a wasteful number, since it uses less digits than its factorization.

26410364505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18510 (or 18507 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 26410364505 its reverse (50546301462), we get a palindrome (76956665967).

The spelling of 26410364505 in words is "twenty-six billion, four hundred ten million, three hundred sixty-four thousand, five hundred five".