3443540656 has 20 divisors (see below), whose sum is σ = 6677632872. Its totient is φ = 1720280576.

The previous prime is 3443540647. The next prime is 3443540693. The reversal of 3443540656 is 6560453443.

It is a happy number.

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, 73921 + ... + 111136.

Almost surely, 2^3443540656 is an apocalyptic number.

It is an amenable number.

3443540656 is a deficient number, since it is larger than the sum of its proper divisors (3234092216).

3443540656 is a wasteful number, since it uses less digits than its factorization.

3443540656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186228 (or 186222 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 3443540656 is about 58681.6892735715. The cubic root of 3443540656 is about 1510.0861983160.

The spelling of 3443540656 in words is "three billion, four hundred forty-three million, five hundred forty thousand, six hundred fifty-six".