26802532945 has 16 divisors (see below), whose sum is σ = 34058845008. Its totient is φ = 20178442240.

The previous prime is 26802532943. The next prime is 26802532969. The reversal of 26802532945 is 54923520862.

It can be written as a sum of positive squares in 8 ways, for example, as 5141463616 + 21661069329 = 71704^2 + 147177^2 .

It is not a de Polignac number, because 26802532945 - 2¹ = 26802532943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26802532895 and 26802532904.

It is not an unprimeable number, because it can be changed into a prime (26802532943) 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, 1332765 + ... + 1352725.

It is an arithmetic number, because the mean of its divisors is an integer number (2128677813).

Almost surely, 2^26802532945 is an apocalyptic number.

It is an amenable number.

26802532945 is a deficient number, since it is larger than the sum of its proper divisors (7256312063).

26802532945 is a wasteful number, since it uses less digits than its factorization.

26802532945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35780.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 26802532945 in words is "twenty-six billion, eight hundred two million, five hundred thirty-two thousand, nine hundred forty-five".