26668222786810 has 128 divisors (see below), whose sum is σ = 55203163545600. Its totient is φ = 9173761920000.

The previous prime is 26668222786789. The next prime is 26668222786847. The reversal of 26668222786810 is 1868722286662.

It is a super-2 number, since 2×26668222786810² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6804852031 + ... + 6804855949.

It is an arithmetic number, because the mean of its divisors is an integer number (431274715200).

Almost surely, 2^{26668222786810} is an apocalyptic number.

26668222786810 is an abundant number, since it is smaller than the sum of its proper divisors (28534940758790).

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

26668222786810 is a wasteful number, since it uses less digits than its factorization.

26668222786810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868.

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 26668222786810 in words is "twenty-six trillion, six hundred sixty-eight billion, two hundred twenty-two million, seven hundred eighty-six thousand, eight hundred ten".