26803803312 has 200 divisors, whose sum is σ = 91141197840. Its totient is φ = 7497515520.

The previous prime is 26803803307. The next prime is 26803803331. The reversal of 26803803312 is 21330830862.

26803803312 is a `hidden beast` number, since 268 + 0 + 3 + 80 + 3 + 312 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 113014 + ... + 257642.

Almost surely, 2^26803803312 is an apocalyptic number.

26803803312 is a gapful number since it is divisible by the number (22) 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 26803803312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45570598920).

26803803312 is an abundant number, since it is smaller than the sum of its proper divisors (64337394528).

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

26803803312 is a wasteful number, since it uses less digits than its factorization.

26803803312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144673 (or 144658 counting only the distinct ones).

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

The spelling of 26803803312 in words is "twenty-six billion, eight hundred three million, eight hundred three thousand, three hundred twelve".