26093993280 has 112 divisors (see below), whose sum is σ = 83702834880. Its totient is φ = 6886637568.

The previous prime is 26093993267. The next prime is 26093993287. The reversal of 26093993280 is 8239939062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26093993287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46990 + ... + 233229.

It is an arithmetic number, because the mean of its divisors is an integer number (747346740).

Almost surely, 2^26093993280 is an apocalyptic number.

26093993280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26093993280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41851417440).

26093993280 is an abundant number, since it is smaller than the sum of its proper divisors (57608841600).

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

26093993280 is a wasteful number, since it uses less digits than its factorization.

26093993280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280336 (or 280326 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 26093993280 in words is "twenty-six billion, ninety-three million, nine hundred ninety-three thousand, two hundred eighty".