26216041872 has 20 divisors (see below), whose sum is σ = 67724774960. Its totient is φ = 8738680608.

The previous prime is 26216041837. The next prime is 26216041879. The reversal of 26216041872 is 27814061262.

It is a self number, because there is not a number n which added to its sum of digits gives 26216041872.

It is not an unprimeable number, because it can be changed into a prime (26216041879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273083722 + ... + 273083817.

It is an arithmetic number, because the mean of its divisors is an integer number (3386238748).

Almost surely, 2^26216041872 is an apocalyptic number.

It is an amenable number.

26216041872 is an abundant number, since it is smaller than the sum of its proper divisors (41508733088).

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

26216041872 is a wasteful number, since it uses less digits than its factorization.

26216041872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546167550 (or 546167544 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 26216041872 in words is "twenty-six billion, two hundred sixteen million, forty-one thousand, eight hundred seventy-two".