4021434012 has 24 divisors (see below), whose sum is σ = 9502124800. Its totient is φ = 1323509616.

The previous prime is 4021434007. The next prime is 4021434023. The reversal of 4021434012 is 2104341204.

It is a super-2 number, since 2×4021434012² = 32343863025740832288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021434012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120062 + ... + 2121957.

Almost surely, 2^4021434012 is an apocalyptic number.

It is an amenable number.

4021434012 is an abundant number, since it is smaller than the sum of its proper divisors (5480690788).

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

4021434012 is a wasteful number, since it uses less digits than its factorization.

4021434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242105 (or 4242103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4021434012 is about 63414.7775522394. Note that the first 3 decimals coincide. The cubic root of 4021434012 is about 1590.2313669879.

Adding to 4021434012 its reverse (2104341204), we get a palindrome (6125775216).

The spelling of 4021434012 in words is "four billion, twenty-one million, four hundred thirty-four thousand, twelve".