26656560000 has 1280 divisors, whose sum is σ = 117772300800. Its totient is φ = 5806080000.

The previous prime is 26656559999. The next prime is 26656560019. The reversal of 26656560000 is 6565662.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 619919979 + ... + 619920021.

It is an arithmetic number, because the mean of its divisors is an integer number (92009610).

Almost surely, 2^26656560000 is an apocalyptic number.

26656560000 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 26656560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58886150400).

26656560000 is an abundant number, since it is smaller than the sum of its proper divisors (91115740800).

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

26656560000 is an equidigital number, since it uses as much as digits as its factorization.

26656560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 26656560000 in words is "twenty-six billion, six hundred fifty-six million, five hundred sixty thousand".