26489472208 has 20 divisors (see below), whose sum is σ = 52575142788. Its totient is φ = 12921693440.

The previous prime is 26489472173. The next prime is 26489472211. The reversal of 26489472208 is 80227498462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3702965904 + 22786506304 = 60852^2 + 150952^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20189491 + ... + 20190802.

Almost surely, 2^26489472208 is an apocalyptic number.

It is an amenable number.

26489472208 is a deficient number, since it is larger than the sum of its proper divisors (26085670580).

26489472208 is a wasteful number, since it uses less digits than its factorization.

26489472208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40380342 (or 40380336 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 26489472208 in words is "twenty-six billion, four hundred eighty-nine million, four hundred seventy-two thousand, two hundred eight".