26005850886540 has 192 divisors, whose sum is σ = 87114372581376. Its totient is φ = 5667585251328.

The previous prime is 26005850886539. The next prime is 26005850886553. The reversal of 26005850886540 is 4568805850062.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1276927 + ... + 7324086.

It is an arithmetic number, because the mean of its divisors is an integer number (453720690528).

Almost surely, 2^{26005850886540} is an apocalyptic number.

26005850886540 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 26005850886540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43557186290688).

26005850886540 is an abundant number, since it is smaller than the sum of its proper divisors (61108521694836).

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

26005850886540 is a wasteful number, since it uses less digits than its factorization.

26005850886540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601368 (or 8601366 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 57.

The spelling of 26005850886540 in words is "twenty-six trillion, five billion, eight hundred fifty million, eight hundred eighty-six thousand, five hundred forty".