26359689216 has 312 divisors, whose sum is σ = 85223095680. Its totient is φ = 7078772736.

The previous prime is 26359689179. The next prime is 26359689227. The reversal of 26359689216 is 61298695362.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207556545 + ... + 207556671.

Almost surely, 2^26359689216 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 26359689216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42611547840).

26359689216 is an abundant number, since it is smaller than the sum of its proper divisors (58863406464).

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

26359689216 is an equidigital number, since it uses as much as digits as its factorization.

26359689216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 158 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The spelling of 26359689216 in words is "twenty-six billion, three hundred fifty-nine million, six hundred eighty-nine thousand, two hundred sixteen".