4102215442 has 16 divisors (see below), whose sum is σ = 6635727000. Its totient is φ = 1890738432.

The previous prime is 4102215421. The next prime is 4102215479. The reversal of 4102215442 is 2445122014.

It can be written as a sum of positive squares in 4 ways, for example, as 4092032961 + 10182481 = 63969^2 + 3191^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88567 + ... + 126682.

Almost surely, 2^4102215442 is an apocalyptic number.

4102215442 is a deficient number, since it is larger than the sum of its proper divisors (2533511558).

4102215442 is a wasteful number, since it uses less digits than its factorization.

4102215442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215997.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4102215442 is about 64048.5397335490. The cubic root of 4102215442 is about 1600.8088933321.

Adding to 4102215442 its reverse (2445122014), we get a palindrome (6547337456).

The spelling of 4102215442 in words is "four billion, one hundred two million, two hundred fifteen thousand, four hundred forty-two".