4043640352 has 24 divisors (see below), whose sum is σ = 7965312012. Its totient is φ = 2020704000.

The previous prime is 4043640331. The next prime is 4043640361. The reversal of 4043640352 is 2530463404.

It can be written as a sum of positive squares in 2 ways, for example, as 3785202576 + 258437776 = 61524^2 + 16076^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25602 + ... + 93502.

Almost surely, 2^4043640352 is an apocalyptic number.

It is an amenable number.

4043640352 is a deficient number, since it is larger than the sum of its proper divisors (3921671660).

4043640352 is a wasteful number, since it uses less digits than its factorization.

4043640352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69772 (or 69764 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 4043640352 is about 63589.6245625023. The cubic root of 4043640352 is about 1593.1530790913.

The spelling of 4043640352 in words is "four billion, forty-three million, six hundred forty thousand, three hundred fifty-two".