26055993340 has 48 divisors (see below), whose sum is σ = 59061119040. Its totient is φ = 9598717440.

The previous prime is 26055993331. The next prime is 26055993361. The reversal of 26055993340 is 4339955062.

26055993340 is a nontrivial binomial coefficient, being equal to C(228281, 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 228280.

It is an arithmetic number, because the mean of its divisors is an integer number (1230439980).

Almost surely, 2^26055993340 is an apocalyptic number.

26055993340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

26055993340 is the 228280-th triangular number.

26055993340 is the 76094-th centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26055993340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29530559520).

26055993340 is an abundant number, since it is smaller than the sum of its proper divisors (33005125700).

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

26055993340 is a wasteful number, since it uses less digits than its factorization.

26055993340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228742 (or 228740 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 26055993340 in words is "twenty-six billion, fifty-five million, nine hundred ninety-three thousand, three hundred forty".