4043213442 has 64 divisors (see below), whose sum is σ = 9233078400. Its totient is φ = 1310722560.

The previous prime is 4043213389. The next prime is 4043213507. The reversal of 4043213442 is 2443123404.

It is a happy number.

4043213442 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 213 + 442 = 666.

4043213442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743409 + ... + 748827.

It is an arithmetic number, because the mean of its divisors is an integer number (144266850).

Almost surely, 2^4043213442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043213442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4616539200).

4043213442 is an abundant number, since it is smaller than the sum of its proper divisors (5189864958).

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

4043213442 is a wasteful number, since it uses less digits than its factorization.

4043213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4043213442 is about 63586.2677156004. The cubic root of 4043213442 is about 1593.0970110554.

Adding to 4043213442 its reverse (2443123404), we get a palindrome (6486336846).

The spelling of 4043213442 in words is "four billion, forty-three million, two hundred thirteen thousand, four hundred forty-two".