26802381690495 has 48 divisors (see below), whose sum is σ = 49392018336960. Its totient is φ = 13415116036608.

The previous prime is 26802381690457. The next prime is 26802381690503. The reversal of 26802381690495 is 59409618320862.

26802381690495 is a `hidden beast` number, since 2 + 6 + 8 + 0 + 2 + 3 + 81 + 69 + 0 + 495 = 666.

It is not a de Polignac number, because 26802381690495 - 2⁷ = 26802381690367 is a prime.

It is a super-2 number, since 2×26802381690495² (a number of 28 digits) contains 22 as substring.

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, 244247230 + ... + 244356939.

It is an arithmetic number, because the mean of its divisors is an integer number (1029000382020).

Almost surely, 2^{26802381690495} is an apocalyptic number.

26802381690495 is a deficient number, since it is larger than the sum of its proper divisors (22589636646465).

26802381690495 is a wasteful number, since it uses less digits than its factorization.

26802381690495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488604256 (or 488604253 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 26802381690495 in words is "twenty-six trillion, eight hundred two billion, three hundred eighty-one million, six hundred ninety thousand, four hundred ninety-five".