4013043442 has 8 divisors (see below), whose sum is σ = 6040110636. Its totient is φ = 1999673232.

The previous prime is 4013043407. The next prime is 4013043449. The reversal of 4013043442 is 2443403104.

It can be written as a sum of positive squares in 2 ways, for example, as 3041412201 + 971631241 = 55149^2 + 31171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4013043442² = 32209035334758414728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013043449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3423513 + ... + 3424684.

Almost surely, 2^4013043442 is an apocalyptic number.

4013043442 is a deficient number, since it is larger than the sum of its proper divisors (2027067194).

4013043442 is a wasteful number, since it uses less digits than its factorization.

4013043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848492.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4013043442 is about 63348.5867403528. The cubic root of 4013043442 is about 1589.1246110243.

Adding to 4013043442 its reverse (2443403104), we get a palindrome (6456446546).

The spelling of 4013043442 in words is "four billion, thirteen million, forty-three thousand, four hundred forty-two".