26880155008 has 96 divisors (see below), whose sum is σ = 63469344960. Its totient is φ = 11302566912.

The previous prime is 26880154997. The next prime is 26880155023. The reversal of 26880155008 is 80055108862.

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, 291985 + ... + 372847.

It is an arithmetic number, because the mean of its divisors is an integer number (661139010).

Almost surely, 2^26880155008 is an apocalyptic number.

26880155008 is a gapful number since it is divisible by the number (28) 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 26880155008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31734672480).

26880155008 is an abundant number, since it is smaller than the sum of its proper divisors (36589189952).

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

26880155008 is an equidigital number, since it uses as much as digits as its factorization.

26880155008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80944 (or 80925 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 26880155008 in words is "twenty-six billion, eight hundred eighty million, one hundred fifty-five thousand, eight".