26256455530256 has 40 divisors (see below), whose sum is σ = 58139640134400. Its totient is φ = 11252699737344.

The previous prime is 26256455530247. The next prime is 26256455530267. The reversal of 26256455530256 is 65203555465262.

It is a super-2 number, since 2×26256455530256² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21307820 + ... + 22506356.

It is an arithmetic number, because the mean of its divisors is an integer number (1453491003360).

Almost surely, 2^{26256455530256} is an apocalyptic number.

It is an amenable number.

26256455530256 is an abundant number, since it is smaller than the sum of its proper divisors (31883184604144).

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

26256455530256 is a wasteful number, since it uses less digits than its factorization.

26256455530256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394151 (or 1394145 counting only the distinct ones).

The product of its (nonzero) digits is 64800000, while the sum is 56.

The spelling of 26256455530256 in words is "twenty-six trillion, two hundred fifty-six billion, four hundred fifty-five million, five hundred thirty thousand, two hundred fifty-six".