26452336645 has 32 divisors (see below), whose sum is σ = 37072339200. Its totient is φ = 18112046400.

The previous prime is 26452336621. The next prime is 26452336649. The reversal of 26452336645 is 54663325462.

It is not a de Polignac number, because 26452336645 - 2¹⁹ = 26451812357 is a prime.

It is a super-2 number, since 2×26452336645² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26452336595 and 26452336604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26452336649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191214 + ... + 1213216.

It is an arithmetic number, because the mean of its divisors is an integer number (1158510600).

Almost surely, 2^26452336645 is an apocalyptic number.

It is an amenable number.

26452336645 is a deficient number, since it is larger than the sum of its proper divisors (10620002555).

26452336645 is an equidigital number, since it uses as much as digits as its factorization.

26452336645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22730 (or 22716 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 46.

The spelling of 26452336645 in words is "twenty-six billion, four hundred fifty-two million, three hundred thirty-six thousand, six hundred forty-five".