26255603365440 has 112 divisors (see below), whose sum is σ = 83371115065920. Its totient is φ = 7000690083840.

The previous prime is 26255603365351. The next prime is 26255603365469. The reversal of 26255603365440 is 4456330655262.

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 15 ways as a sum of consecutive naturals, for example, 6815526 + ... + 9947994.

Almost surely, 2^{26255603365440} is an apocalyptic number.

26255603365440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26255603365440 is an abundant number, since it is smaller than the sum of its proper divisors (57115511700480).

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

26255603365440 is a wasteful number, since it uses less digits than its factorization.

26255603365440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141220 (or 3141210 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 26255603365440 in words is "twenty-six trillion, two hundred fifty-five billion, six hundred three million, three hundred sixty-five thousand, four hundred forty".