3544043656 has 8 divisors (see below), whose sum is σ = 6645081870. Its totient is φ = 1772021824.

The previous prime is 3544043653. The next prime is 3544043677. The reversal of 3544043656 is 6563404453.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3500615556 + 43428100 = 59166^2 + 6590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3544043651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221502721 + ... + 221502736.

Almost surely, 2^3544043656 is an apocalyptic number.

It is an amenable number.

3544043656 is a deficient number, since it is larger than the sum of its proper divisors (3101038214).

3544043656 is a wasteful number, since it uses less digits than its factorization.

3544043656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443005463 (or 443005459 counting only the distinct ones).

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

The square root of 3544043656 is about 59531.8709264206. The cubic root of 3544043656 is about 1524.6366463538.

The spelling of 3544043656 in words is "three billion, five hundred forty-four million, forty-three thousand, six hundred fifty-six".