26985466080 has 72 divisors (see below), whose sum is σ = 92087907912. Its totient is φ = 7196123904.

The previous prime is 26985466073. The next prime is 26985466093. The reversal of 26985466080 is 8066458962.

It is a happy number.

26985466080 is a `hidden beast` number, since 2 + 6 + 98 + 546 + 6 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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, 9368514 + ... + 9371393.

It is an arithmetic number, because the mean of its divisors is an integer number (1278998721).

Almost surely, 2^26985466080 is an apocalyptic number.

26985466080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26985466080 is an abundant number, since it is smaller than the sum of its proper divisors (65102441832).

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

26985466080 is a wasteful number, since it uses less digits than its factorization.

26985466080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739928 (or 18739917 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 26985466080 in words is "twenty-six billion, nine hundred eighty-five million, four hundred sixty-six thousand, eighty".