26400520327 has 8 divisors (see below), whose sum is σ = 27020657664. Its totient is φ = 25780663608.

The previous prime is 26400520319. The next prime is 26400520403. The reversal of 26400520327 is 72302500462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26400520327 - 2³ = 26400520319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26400520427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126618 + ... + 262360.

It is an arithmetic number, because the mean of its divisors is an integer number (3377582208).

Almost surely, 2^26400520327 is an apocalyptic number.

26400520327 is a deficient number, since it is larger than the sum of its proper divisors (620137337).

26400520327 is a wasteful number, since it uses less digits than its factorization.

26400520327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140309.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 26400520327 in words is "twenty-six billion, four hundred million, five hundred twenty thousand, three hundred twenty-seven".