26438856884 has 24 divisors (see below), whose sum is σ = 50478549408. Its totient is φ = 12016622240.

The previous prime is 26438856883. The next prime is 26438856959. The reversal of 26438856884 is 48865883462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26438856883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745319 + ... + 779985.

It is an arithmetic number, because the mean of its divisors is an integer number (2103272892).

Almost surely, 2^26438856884 is an apocalyptic number.

It is an amenable number.

26438856884 is a deficient number, since it is larger than the sum of its proper divisors (24039692524).

26438856884 is a wasteful number, since it uses less digits than its factorization.

26438856884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52015 (or 52013 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 62.

The spelling of 26438856884 in words is "twenty-six billion, four hundred thirty-eight million, eight hundred fifty-six thousand, eight hundred eighty-four".