26432963856 has 120 divisors (see below), whose sum is σ = 83859077120. Its totient is φ = 7705145088.

The previous prime is 26432963807. The next prime is 26432963857. The reversal of 26432963856 is 65836923462.

It is a happy number.

26432963856 is a `hidden beast` number, since 264 + 329 + 6 + 3 + 8 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (26432963857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336016 + ... + 407151.

Almost surely, 2^26432963856 is an apocalyptic number.

26432963856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26432963856 is an abundant number, since it is smaller than the sum of its proper divisors (57426113264).

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

26432963856 is a wasteful number, since it uses less digits than its factorization.

26432963856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743213 (or 743204 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 26432963856 in words is "twenty-six billion, four hundred thirty-two million, nine hundred sixty-three thousand, eight hundred fifty-six".