26681916276 has 36 divisors (see below), whose sum is σ = 67459087332. Its totient is φ = 8892240384.

The previous prime is 26681916253. The next prime is 26681916323. The reversal of 26681916276 is 67261918662.

26681916276 is a `hidden beast` number, since 2 + 6 + 6 + 8 + 1 + 9 + 1 + 627 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13369371876 + 13312544400 = 115626^2 + 115380^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122500 + ... + 261476.

It is an arithmetic number, because the mean of its divisors is an integer number (1873863537).

Almost surely, 2^26681916276 is an apocalyptic number.

It is an amenable number.

26681916276 is an abundant number, since it is smaller than the sum of its proper divisors (40777171056).

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

26681916276 is a wasteful number, since it uses less digits than its factorization.

26681916276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144320 (or 144315 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 26681916276 in words is "twenty-six billion, six hundred eighty-one million, nine hundred sixteen thousand, two hundred seventy-six".