26950446880 has 144 divisors (see below), whose sum is σ = 77286363840. Its totient is φ = 8838348288.

The previous prime is 26950446869. The next prime is 26950446881. The reversal of 26950446880 is 8864405962.

It is not an unprimeable number, because it can be changed into a prime (26950446881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105591 + ... + 255049.

It is an arithmetic number, because the mean of its divisors is an integer number (536710860).

Almost surely, 2^26950446880 is an apocalyptic number.

26950446880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26950446880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38643181920).

26950446880 is an abundant number, since it is smaller than the sum of its proper divisors (50335916960).

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

26950446880 is a wasteful number, since it uses less digits than its factorization.

26950446880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149511 (or 149496 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 26950446880 in words is "twenty-six billion, nine hundred fifty million, four hundred forty-six thousand, eight hundred eighty".