26400365264643 has 8 divisors (see below), whose sum is σ = 35205304413888. Its totient is φ = 17597834812584.

The previous prime is 26400365264633. The next prime is 26400365264677. The reversal of 26400365264643 is 34646256300462.

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

It is not a de Polignac number, because 26400365264643 - 2⁹ = 26400365264131 is a prime.

It is a super-2 number, since 2×26400365264643² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26400365264633) 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, 602148721 + ... + 602192562.

It is an arithmetic number, because the mean of its divisors is an integer number (4400663051736).

Almost surely, 2^{26400365264643} is an apocalyptic number.

26400365264643 is a deficient number, since it is larger than the sum of its proper divisors (8804939149245).

26400365264643 is a wasteful number, since it uses less digits than its factorization.

26400365264643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204348593.

The product of its (nonzero) digits is 14929920, while the sum is 51.

The spelling of 26400365264643 in words is "twenty-six trillion, four hundred billion, three hundred sixty-five million, two hundred sixty-four thousand, six hundred forty-three".