26988801216 has 56 divisors (see below), whose sum is σ = 76900790064. Its totient is φ = 8304245760.

The previous prime is 26988801187. The next prime is 26988801223. The reversal of 26988801216 is 61210888962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403915 + ... + 5408906.

It is an arithmetic number, because the mean of its divisors is an integer number (1373228394).

Almost surely, 2^26988801216 is an apocalyptic number.

26988801216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26988801216 is an abundant number, since it is smaller than the sum of its proper divisors (49911988848).

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

26988801216 is a wasteful number, since it uses less digits than its factorization.

26988801216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812849 (or 10812839 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 26988801216 in words is "twenty-six billion, nine hundred eighty-eight million, eight hundred one thousand, two hundred sixteen".