26421110868868 has 48 divisors (see below), whose sum is σ = 49047329802240. Its totient is φ = 12418376349600.

The previous prime is 26421110868863. The next prime is 26421110868877. The reversal of 26421110868868 is 86886801112462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26421110868863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94552005 + ... + 94831027.

It is an arithmetic number, because the mean of its divisors is an integer number (1021819370880).

Almost surely, 2^{26421110868868} is an apocalyptic number.

It is an amenable number.

26421110868868 is a deficient number, since it is larger than the sum of its proper divisors (22626218933372).

26421110868868 is a wasteful number, since it uses less digits than its factorization.

26421110868868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288688 (or 288686 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 61.

The spelling of 26421110868868 in words is "twenty-six trillion, four hundred twenty-one billion, one hundred ten million, eight hundred sixty-eight thousand, eight hundred sixty-eight".