1026320236345 has 8 divisors (see below), whose sum is σ = 1231707048264. Its totient is φ = 820974345984.

The previous prime is 1026320236343. The next prime is 1026320236349. The reversal of 1026320236345 is 5436320236201.

It can be written as a sum of positive squares in 4 ways, for example, as 181862161209 + 844458075136 = 426453^2 + 918944^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1026320236345 - 2¹ = 1026320236343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026320236343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10175184 + ... + 10275553.

It is an arithmetic number, because the mean of its divisors is an integer number (153963381033).

Almost surely, 2^{1026320236345} is an apocalyptic number.

It is an amenable number.

1026320236345 is a deficient number, since it is larger than the sum of its proper divisors (205386811919).

1026320236345 is a wasteful number, since it uses less digits than its factorization.

1026320236345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460779.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 1026320236345 in words is "one trillion, twenty-six billion, three hundred twenty million, two hundred thirty-six thousand, three hundred forty-five".