26516400204 has 48 divisors (see below), whose sum is σ = 70747907328. Its totient is φ = 7572095808.

The previous prime is 26516400179. The next prime is 26516400227. The reversal of 26516400204 is 40200461562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77422 + ... + 242954.

It is an arithmetic number, because the mean of its divisors is an integer number (1473914736).

Almost surely, 2^26516400204 is an apocalyptic number.

It is an amenable number.

26516400204 is an abundant number, since it is smaller than the sum of its proper divisors (44231507124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26516400204 is a wasteful number, since it uses less digits than its factorization.

26516400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167454 (or 167452 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 26516400204 its reverse (40200461562), we get a palindrome (66716861766).

The spelling of 26516400204 in words is "twenty-six billion, five hundred sixteen million, four hundred thousand, two hundred four".