26320256235 has 160 divisors (see below), whose sum is σ = 58471459200. Its totient is φ = 11029727232.

The previous prime is 26320256227. The next prime is 26320256251. The reversal of 26320256235 is 53265202362.

26320256235 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 0 + 25 + 623 + 5 = 666.

It is not a de Polignac number, because 26320256235 - 2³ = 26320256227 is a prime.

It is a super-3 number, since 3×26320256235³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26320256235.

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 5488999 + ... + 5493791.

It is an arithmetic number, because the mean of its divisors is an integer number (365446620).

Almost surely, 2^26320256235 is an apocalyptic number.

26320256235 is an abundant number, since it is smaller than the sum of its proper divisors (32151202965).

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

26320256235 is a wasteful number, since it uses less digits than its factorization.

26320256235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 26320256235 its reverse (53265202362), we get a palindrome (79585458597).

The spelling of 26320256235 in words is "twenty-six billion, three hundred twenty million, two hundred fifty-six thousand, two hundred thirty-five".