26040046066660 has 24 divisors (see below), whose sum is σ = 55500277291200. Its totient is φ = 10260555464544.

The previous prime is 26040046066649. The next prime is 26040046066663. The reversal of 26040046066660 is 6666064004062.

It is a self number, because there is not a number n which added to its sum of digits gives 26040046066660.

It is not an unprimeable number, because it can be changed into a prime (26040046066663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9716433760 + ... + 9716436439.

It is an arithmetic number, because the mean of its divisors is an integer number (2312511553800).

Almost surely, 2^{26040046066660} is an apocalyptic number.

26040046066660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26040046066660 is an abundant number, since it is smaller than the sum of its proper divisors (29460231224540).

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

26040046066660 is a wasteful number, since it uses less digits than its factorization.

26040046066660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432870275 (or 19432870273 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 26040046066660 in words is "twenty-six trillion, forty billion, forty-six million, sixty-six thousand, six hundred sixty".