4068602644 has 12 divisors (see below), whose sum is σ = 7236777268. Its totient is φ = 2000952000.

The previous prime is 4068602633. The next prime is 4068602683. The reversal of 4068602644 is 4462068604.

It can be written as a sum of positive squares in 2 ways, for example, as 1133130244 + 2935472400 = 33662^2 + 54180^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4068602597 and 4068602606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8337057 + ... + 8337544.

Almost surely, 2^4068602644 is an apocalyptic number.

It is an amenable number.

4068602644 is a deficient number, since it is larger than the sum of its proper divisors (3168174624).

4068602644 is a wasteful number, since it uses less digits than its factorization.

4068602644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674666 (or 16674664 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 4068602644 is about 63785.5990330106. The cubic root of 4068602644 is about 1596.4246524447.

The spelling of 4068602644 in words is "four billion, sixty-eight million, six hundred two thousand, six hundred forty-four".