26644366344662 has 32 divisors (see below), whose sum is σ = 43635200097024. Its totient is φ = 12101266303200.

The previous prime is 26644366344587. The next prime is 26644366344671.

26644366344662 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 26644366344595 and 26644366344604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136661693 + ... + 136856519.

It is an arithmetic number, because the mean of its divisors is an integer number (1363600003032).

Almost surely, 2^{26644366344662} is an apocalyptic number.

26644366344662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26644366344662 is a deficient number, since it is larger than the sum of its proper divisors (16990833752362).

26644366344662 is a wasteful number, since it uses less digits than its factorization.

26644366344662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199844.

The product of its digits is 429981696, while the sum is 62.

The spelling of 26644366344662 in words is "twenty-six trillion, six hundred forty-four billion, three hundred sixty-six million, three hundred forty-four thousand, six hundred sixty-two".