26861035000 has 80 divisors (see below), whose sum is σ = 64965954240. Its totient is φ = 10397760000.

The previous prime is 26861034989. The next prime is 26861035063. The reversal of 26861035000 is 53016862.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68352 + ... + 241648.

It is an arithmetic number, because the mean of its divisors is an integer number (812074428).

Almost surely, 2^26861035000 is an apocalyptic number.

26861035000 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 26861035000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32482977120).

26861035000 is an abundant number, since it is smaller than the sum of its proper divisors (38104919240).

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

26861035000 is a wasteful number, since it uses less digits than its factorization.

26861035000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173354 (or 173335 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 26861035000 in words is "twenty-six billion, eight hundred sixty-one million, thirty-five thousand".