26678175368464 has 45 divisors (see below), whose sum is σ = 51780915541719. Its totient is φ = 13315400572320.

The previous prime is 26678175368461. The next prime is 26678175368521. The reversal of 26678175368464 is 46486357187662.

The square root of 26678175368464 is 5165092.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26678175368461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20474424037 + ... + 20474425339.

Almost surely, 2^{26678175368464} is an apocalyptic number.

26678175368464 is the 5165092-nd square number.

It is an amenable number.

26678175368464 is a deficient number, since it is larger than the sum of its proper divisors (25102740173255).

26678175368464 is an frugal number, since it uses more digits than its factorization.

26678175368464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596 (or 2296 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 73.

The spelling of 26678175368464 in words is "twenty-six trillion, six hundred seventy-eight billion, one hundred seventy-five million, three hundred sixty-eight thousand, four hundred sixty-four".