26640466404662 has 8 divisors (see below), whose sum is σ = 43593490480392. Its totient is φ = 12109302911200.

The previous prime is 26640466404659. The next prime is 26640466404679.

26640466404662 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 26640466404598 and 26640466404607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605465145539 + ... + 605465145582.

It is an arithmetic number, because the mean of its divisors is an integer number (5449186310049).

Almost surely, 2^{26640466404662} is an apocalyptic number.

26640466404662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26640466404662 is a deficient number, since it is larger than the sum of its proper divisors (16953024075730).

26640466404662 is a wasteful number, since it uses less digits than its factorization.

26640466404662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210930291134.

The product of its (nonzero) digits is 47775744, while the sum is 56.

The spelling of 26640466404662 in words is "twenty-six trillion, six hundred forty billion, four hundred sixty-six million, four hundred four thousand, six hundred sixty-two".