26284668620406 has 64 divisors (see below), whose sum is σ = 60306261958656. Its totient is φ = 7481555827200.

The previous prime is 26284668620389. The next prime is 26284668620443. The reversal of 26284668620406 is 60402686648262.

It is a self number, because there is not a number n which added to its sum of digits gives 26284668620406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22043371 + ... + 23205161.

It is an arithmetic number, because the mean of its divisors is an integer number (942285343104).

Almost surely, 2^{26284668620406} is an apocalyptic number.

26284668620406 is an abundant number, since it is smaller than the sum of its proper divisors (34021593338250).

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

26284668620406 is a wasteful number, since it uses less digits than its factorization.

26284668620406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163837.

The product of its (nonzero) digits is 63700992, while the sum is 60.

The spelling of 26284668620406 in words is "twenty-six trillion, two hundred eighty-four billion, six hundred sixty-eight million, six hundred twenty thousand, four hundred six".