4040045212 has 48 divisors (see below), whose sum is σ = 8137301760. Its totient is φ = 1719234432.

The previous prime is 4040045203. The next prime is 4040045231. The reversal of 4040045212 is 2125400404.

It is a happy number.

4040045212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577864 + ... + 3578992.

It is an arithmetic number, because the mean of its divisors is an integer number (169527120).

Almost surely, 2^4040045212 is an apocalyptic number.

It is an amenable number.

4040045212 is an abundant number, since it is smaller than the sum of its proper divisors (4097256548).

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

4040045212 is a wasteful number, since it uses less digits than its factorization.

4040045212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4040045212 is about 63561.3499856635. The cubic root of 4040045212 is about 1592.6807895911.

Adding to 4040045212 its reverse (2125400404), we get a palindrome (6165445616).

The spelling of 4040045212 in words is "four billion, forty million, forty-five thousand, two hundred twelve".