6223640243652 has 72 divisors (see below), whose sum is σ = 16942442078744. Its totient is φ = 1914931155456.

The previous prime is 6223640243651. The next prime is 6223640243659. The reversal of 6223640243652 is 2563420463226.

6223640243652 is a `hidden beast` number, since 6 + 2 + 236 + 402 + 4 + 3 + 6 + 5 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 344925988416 + 5878714255236 = 587304^2 + 2424606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6223640243598 and 6223640243607.

It is not an unprimeable number, because it can be changed into a prime (6223640243651) 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, 38591778 + ... + 38752710.

Almost surely, 2^{6223640243652} is an apocalyptic number.

It is an amenable number.

6223640243652 is an abundant number, since it is smaller than the sum of its proper divisors (10718801835092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6223640243652 is a wasteful number, since it uses less digits than its factorization.

6223640243652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243589 (or 243584 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 6223640243652 in words is "six trillion, two hundred twenty-three billion, six hundred forty million, two hundred forty-three thousand, six hundred fifty-two".