326354820345 has 96 divisors (see below), whose sum is σ = 598724006400. Its totient is φ = 164120140800.

The previous prime is 326354820343. The next prime is 326354820359. The reversal of 326354820345 is 543028453623.

326354820345 is a `hidden beast` number, since 3 + 2 + 63 + 548 + 2 + 0 + 3 + 45 = 666.

It is not a de Polignac number, because 326354820345 - 2¹ = 326354820343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 326354820345.

It is not an unprimeable number, because it can be changed into a prime (326354820343) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 24349956 + ... + 24363354.

It is an arithmetic number, because the mean of its divisors is an integer number (6236708400).

Almost surely, 2^326354820345 is an apocalyptic number.

It is an amenable number.

326354820345 is a deficient number, since it is larger than the sum of its proper divisors (272369186055).

326354820345 is a wasteful number, since it uses less digits than its factorization.

326354820345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767 (or 13764 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 326354820345 in words is "three hundred twenty-six billion, three hundred fifty-four million, eight hundred twenty thousand, three hundred forty-five".