4045005012 has 24 divisors (see below), whose sum is σ = 9657842656. Its totient is φ = 1316978208.

The previous prime is 4045005011. The next prime is 4045005037. The reversal of 4045005012 is 2105005404.

It is a self number, because there is not a number n which added to its sum of digits gives 4045005012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045005011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919063 + ... + 3920094.

Almost surely, 2^4045005012 is an apocalyptic number.

It is an amenable number.

4045005012 is an abundant number, since it is smaller than the sum of its proper divisors (5612837644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4045005012 is a wasteful number, since it uses less digits than its factorization.

4045005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839207 (or 7839205 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4045005012 is about 63600.3538669401. The cubic root of 4045005012 is about 1593.3322796435.

The spelling of 4045005012 in words is "four billion, forty-five million, five thousand, twelve".