26181966300 has 144 divisors (see below), whose sum is σ = 86627788800. Its totient is φ = 5980803840.

The previous prime is 26181966299. The next prime is 26181966323. The reversal of 26181966300 is 366918162.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5035302 + ... + 5040498.

Almost surely, 2^26181966300 is an apocalyptic number.

26181966300 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 26181966300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43313894400).

26181966300 is an abundant number, since it is smaller than the sum of its proper divisors (60445822500).

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

26181966300 is a wasteful number, since it uses less digits than its factorization.

26181966300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620 (or 7613 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 26181966300 in words is "twenty-six billion, one hundred eighty-one million, nine hundred sixty-six thousand, three hundred".