4152405442 has 4 divisors (see below), whose sum is σ = 6228608166. Its totient is φ = 2076202720.

The previous prime is 4152405419. The next prime is 4152405493. The reversal of 4152405442 is 2445042514.

4152405442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445042514 = 2 ⋅1222521257.

It can be written as a sum of positive squares in only one way, i.e., 3158327601 + 994077841 = 56199^2 + 31529^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038101359 + ... + 1038101362.

Almost surely, 2^4152405442 is an apocalyptic number.

4152405442 is a deficient number, since it is larger than the sum of its proper divisors (2076202724).

4152405442 is a wasteful number, since it uses less digits than its factorization.

4152405442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076202723.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 4152405442 is about 64439.1607797619. The cubic root of 4152405442 is about 1607.3110010014.

Adding to 4152405442 its reverse (2445042514), we get a palindrome (6597447956).

The spelling of 4152405442 in words is "four billion, one hundred fifty-two million, four hundred five thousand, four hundred forty-two".