26694885687456 has 48 divisors (see below), whose sum is σ = 80084657064384. Its totient is φ = 7627110196224.

The previous prime is 26694885687397. The next prime is 26694885687493. The reversal of 26694885687456 is 65478658849662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (84).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19862265465 + ... + 19862266808.

It is an arithmetic number, because the mean of its divisors is an integer number (1668430355508).

Almost surely, 2^{26694885687456} is an apocalyptic number.

It is an amenable number.

26694885687456 is an abundant number, since it is smaller than the sum of its proper divisors (53389771376928).

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

26694885687456 is a wasteful number, since it uses less digits than its factorization.

26694885687456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39724532293 (or 39724532285 counting only the distinct ones).

The product of its digits is 33443020800, while the sum is 84.

The spelling of 26694885687456 in words is "twenty-six trillion, six hundred ninety-four billion, eight hundred eighty-five million, six hundred eighty-seven thousand, four hundred fifty-six".