26825903844 has 96 divisors (see below), whose sum is σ = 66434981760. Its totient is φ = 8401305600.

The previous prime is 26825903807. The next prime is 26825903851. The reversal of 26825903844 is 44830952862.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25283074 + ... + 25284134.

It is an arithmetic number, because the mean of its divisors is an integer number (692031060).

Almost surely, 2^26825903844 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 26825903844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33217490880).

26825903844 is an abundant number, since it is smaller than the sum of its proper divisors (39609077916).

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

26825903844 is a wasteful number, since it uses less digits than its factorization.

26825903844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 26825903844 in words is "twenty-six billion, eight hundred twenty-five million, nine hundred three thousand, eight hundred forty-four".