326604511445 has 16 divisors (see below), whose sum is σ = 415015040880. Its totient is φ = 245893131264.

The previous prime is 326604511423. The next prime is 326604511481. The reversal of 326604511445 is 544115406623.

It can be written as a sum of positive squares in 8 ways, for example, as 87123556 + 326517387889 = 9334^2 + 571417^2 .

It is a cyclic number.

It is not a de Polignac number, because 326604511445 - 2¹² = 326604507349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884711 + ... + 1198299.

It is an arithmetic number, because the mean of its divisors is an integer number (25938440055).

Almost surely, 2^326604511445 is an apocalyptic number.

It is an amenable number.

326604511445 is a deficient number, since it is larger than the sum of its proper divisors (88410529435).

326604511445 is a wasteful number, since it uses less digits than its factorization.

326604511445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325864.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 326604511445 in words is "three hundred twenty-six billion, six hundred four million, five hundred eleven thousand, four hundred forty-five".