26041666140 has 144 divisors (see below), whose sum is σ = 90530818560. Its totient is φ = 5935697280.

The previous prime is 26041666127. The next prime is 26041666151. The reversal of 26041666140 is 4166614062.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26041666095 and 26041666104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423555 + ... + 481125.

It is an arithmetic number, because the mean of its divisors is an integer number (628686240).

Almost surely, 2^26041666140 is an apocalyptic number.

26041666140 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 26041666140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45265409280).

26041666140 is an abundant number, since it is smaller than the sum of its proper divisors (64489152420).

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

26041666140 is a wasteful number, since it uses less digits than its factorization.

26041666140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57952 (or 57947 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 26041666140 in words is "twenty-six billion, forty-one million, six hundred sixty-six thousand, one hundred forty".