4043021412 has 12 divisors (see below), whose sum is σ = 9433716656. Its totient is φ = 1347673800.

The previous prime is 4043021387. The next prime is 4043021431. The reversal of 4043021412 is 2141203404.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168459214 + ... + 168459237.

Almost surely, 2^4043021412 is an apocalyptic number.

It is an amenable number.

4043021412 is an abundant number, since it is smaller than the sum of its proper divisors (5390695244).

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

4043021412 is a wasteful number, since it uses less digits than its factorization.

4043021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336918458 (or 336918456 counting only the distinct ones).

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

The square root of 4043021412 is about 63584.7577018266. The cubic root of 4043021412 is about 1593.0717895934.

Adding to 4043021412 its reverse (2141203404), we get a palindrome (6184224816).

The spelling of 4043021412 in words is "four billion, forty-three million, twenty-one thousand, four hundred twelve".