4043387428 has 6 divisors (see below), whose sum is σ = 7075928006. Its totient is φ = 2021693712.

The previous prime is 4043387377. The next prime is 4043387429. The reversal of 4043387428 is 8247833404.

It can be written as a sum of positive squares in only one way, i.e., 3730522084 + 312865344 = 61078^2 + 17688^2 .

It is not an unprimeable number, because it can be changed into a prime (4043387429) by changing a digit.

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 as a sum of consecutive naturals, namely, 505423425 + ... + 505423432.

Almost surely, 2^4043387428 is an apocalyptic number.

It is an amenable number.

4043387428 is a deficient number, since it is larger than the sum of its proper divisors (3032540578).

4043387428 is a wasteful number, since it uses less digits than its factorization.

4043387428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010846861 (or 1010846859 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The square root of 4043387428 is about 63587.6358107455. The cubic root of 4043387428 is about 1593.1198619062.

The spelling of 4043387428 in words is "four billion, forty-three million, three hundred eighty-seven thousand, four hundred twenty-eight".