26643444434662 has 16 divisors (see below), whose sum is σ = 45493944648192. Its totient is φ = 11584106275720.

The previous prime is 26643444434653. The next prime is 26643444434767.

26643444434662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 26643444434597 and 26643444434606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26327513758 + ... + 26327514769.

It is an arithmetic number, because the mean of its divisors is an integer number (2843371540512).

Almost surely, 2^{26643444434662} is an apocalyptic number.

26643444434662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26643444434662 is a deficient number, since it is larger than the sum of its proper divisors (18850500213530).

26643444434662 is a wasteful number, since it uses less digits than its factorization.

26643444434662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52655028563.

The product of its digits is 191102976, while the sum is 58.

The spelling of 26643444434662 in words is "twenty-six trillion, six hundred forty-three billion, four hundred forty-four million, four hundred thirty-four thousand, six hundred sixty-two".