3205605642052 has 72 divisors (see below), whose sum is σ = 6379718650200. Its totient is φ = 1406642012160.

The previous prime is 3205605642047. The next prime is 3205605642059. The reversal of 3205605642052 is 2502465065023.

It can be written as a sum of positive squares in 4 ways, for example, as 1585952347716 + 1619653294336 = 1259346^2 + 1272656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3205605641996 and 3205605642014.

It is not an unprimeable number, because it can be changed into a prime (3205605642059) 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 23 ways as a sum of consecutive naturals, for example, 132950974 + ... + 132975082.

It is an arithmetic number, because the mean of its divisors is an integer number (88607203475).

Almost surely, 2^{3205605642052} is an apocalyptic number.

It is an amenable number.

3205605642052 is a deficient number, since it is larger than the sum of its proper divisors (3174113008148).

3205605642052 is a wasteful number, since it uses less digits than its factorization.

3205605642052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33637 (or 33624 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 3205605642052 in words is "three trillion, two hundred five billion, six hundred five million, six hundred forty-two thousand, fifty-two".