3520305664244 has 12 divisors (see below), whose sum is σ = 6160593707268. Its totient is φ = 1760136033600.

The previous prime is 3520305664231. The next prime is 3520305664307. The reversal of 3520305664244 is 4424665030253.

It can be written as a sum of positive squares in 2 ways, for example, as 2487439974244 + 1032865690000 = 1577162^2 + 1016300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3520305664195 and 3520305664204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3722087 + ... + 4571054.

It is an arithmetic number, because the mean of its divisors is an integer number (513382808939).

Almost surely, 2^{3520305664244} is an apocalyptic number.

It is an amenable number.

3520305664244 is a deficient number, since it is larger than the sum of its proper divisors (2640288043024).

3520305664244 is a wasteful number, since it uses less digits than its factorization.

3520305664244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399266 (or 8399264 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 3520305664244 in words is "three trillion, five hundred twenty billion, three hundred five million, six hundred sixty-four thousand, two hundred forty-four".