26320646748 has 24 divisors (see below), whose sum is σ = 66998010240. Its totient is φ = 7975953520.

The previous prime is 26320646711. The next prime is 26320646753. The reversal of 26320646748 is 84764602362.

It is a junction number, because it is equal to n+sod(n) for n = 26320646697 and 26320646706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99699288 + ... + 99699551.

It is an arithmetic number, because the mean of its divisors is an integer number (2791583760).

Almost surely, 2^26320646748 is an apocalyptic number.

It is an amenable number.

26320646748 is an abundant number, since it is smaller than the sum of its proper divisors (40677363492).

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

26320646748 is a wasteful number, since it uses less digits than its factorization.

26320646748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199398857 (or 199398855 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 26320646748 in words is "twenty-six billion, three hundred twenty million, six hundred forty-six thousand, seven hundred forty-eight".