26044404066216 has 128 divisors (see below), whose sum is σ = 73891766592000. Its totient is φ = 8495958721536.

The previous prime is 26044404066137. The next prime is 26044404066221. The reversal of 26044404066216 is 61266040444062.

26044404066216 is a `hidden beast` number, since 26 + 0 + 4 + 4 + 4 + 0 + 406 + 6 + 216 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113354140 + ... + 113583668.

It is an arithmetic number, because the mean of its divisors is an integer number (577279426500).

Almost surely, 2^{26044404066216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26044404066216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36945883296000).

26044404066216 is an abundant number, since it is smaller than the sum of its proper divisors (47847362525784).

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

26044404066216 is a wasteful number, since it uses less digits than its factorization.

26044404066216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240768 (or 240758 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 26044404066216 in words is "twenty-six trillion, forty-four billion, four hundred four million, sixty-six thousand, two hundred sixteen".