26555855562 has 128 divisors (see below), whose sum is σ = 63163514880. Its totient is φ = 8254923840.

The previous prime is 26555855527. The next prime is 26555855581.

26555855562 is a `hidden beast` number, since 2 + 6 + 5 + 5 + 5 + 85 + 556 + 2 = 666.

26555855562 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 26555855499 and 26555855508.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6625363 + ... + 6629369.

It is an arithmetic number, because the mean of its divisors is an integer number (493464960).

Almost surely, 2^26555855562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26555855562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31581757440).

26555855562 is an abundant number, since it is smaller than the sum of its proper divisors (36607659318).

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

26555855562 is a wasteful number, since it uses less digits than its factorization.

26555855562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193 (or 4187 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 54.

The spelling of 26555855562 in words is "twenty-six billion, five hundred fifty-five million, eight hundred fifty-five thousand, five hundred sixty-two".