26452265645 has 16 divisors (see below), whose sum is σ = 34694688000. Its totient is φ = 19242425664.

The previous prime is 26452265641. The next prime is 26452265699. The reversal of 26452265645 is 54656225462.

It is a cyclic number.

It is not a de Polignac number, because 26452265645 - 2² = 26452265641 is a prime.

It is a super-3 number, since 3×26452265645³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26452265645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26452265641) 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 15 ways as a sum of consecutive naturals, for example, 3032645 + ... + 3041354.

It is an arithmetic number, because the mean of its divisors is an integer number (2168418000).

Almost surely, 2^26452265645 is an apocalyptic number.

It is an amenable number.

26452265645 is a deficient number, since it is larger than the sum of its proper divisors (8242422355).

26452265645 is a wasteful number, since it uses less digits than its factorization.

26452265645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074084.

The product of its digits is 3456000, while the sum is 47.

The spelling of 26452265645 in words is "twenty-six billion, four hundred fifty-two million, two hundred sixty-five thousand, six hundred forty-five".