26618374816 has 96 divisors (see below), whose sum is σ = 57618340416. Its totient is φ = 12004608000.

The previous prime is 26618374771. The next prime is 26618374817. The reversal of 26618374816 is 61847381662.

It is not an unprimeable number, because it can be changed into a prime (26618374817) 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 15 ways as a sum of consecutive naturals, for example, 40269526 + ... + 40270186.

It is an arithmetic number, because the mean of its divisors is an integer number (600191046).

Almost surely, 2^26618374816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26618374816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28809170208).

26618374816 is an abundant number, since it is smaller than the sum of its proper divisors (30999965600).

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

26618374816 is a wasteful number, since it uses less digits than its factorization.

26618374816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1398 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 26618374816 in words is "twenty-six billion, six hundred eighteen million, three hundred seventy-four thousand, eight hundred sixteen".