26220543872 has 16 divisors (see below), whose sum is σ = 52236240000. Its totient is φ = 13110271872.

The previous prime is 26220543857. The next prime is 26220543887. The reversal of 26220543872 is 27834502262.

It is an interprime number because it is at equal distance from previous prime (26220543857) and next prime (26220543887).

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 102423872 + ... + 102424127.

It is an arithmetic number, because the mean of its divisors is an integer number (3264765000).

Almost surely, 2^26220543872 is an apocalyptic number.

It is an amenable number.

26220543872 is a deficient number, since it is larger than the sum of its proper divisors (26015696128).

26220543872 is an equidigital number, since it uses as much as digits as its factorization.

26220543872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204848013 (or 204848001 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 26220543872 in words is "twenty-six billion, two hundred twenty million, five hundred forty-three thousand, eight hundred seventy-two".