26809486848 has 120 divisors (see below), whose sum is σ = 78060235968. Its totient is φ = 8857239552.

The previous prime is 26809486841. The next prime is 26809486861. The reversal of 26809486848 is 84868490862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26809486841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494961 + ... + 546447.

Almost surely, 2^26809486848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26809486848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39030117984).

26809486848 is an abundant number, since it is smaller than the sum of its proper divisors (51250749120).

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

26809486848 is a wasteful number, since it uses less digits than its factorization.

26809486848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51624 (or 51605 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 26809486848 in words is "twenty-six billion, eight hundred nine million, four hundred eighty-six thousand, eight hundred forty-eight".