4192807042 has 4 divisors (see below), whose sum is σ = 6289210566. Its totient is φ = 2096403520.

The previous prime is 4192807039. The next prime is 4192807097. The reversal of 4192807042 is 2407082914.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3865233241 + 327573801 = 62171^2 + 18099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4192806992 and 4192807010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048201759 + ... + 1048201762.

Almost surely, 2^4192807042 is an apocalyptic number.

4192807042 is a deficient number, since it is larger than the sum of its proper divisors (2096403524).

4192807042 is a wasteful number, since it uses less digits than its factorization.

4192807042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096403523.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 4192807042 is about 64751.8883276774. Note that the first 3 decimals coincide. The cubic root of 4192807042 is about 1612.5070622209.

Adding to 4192807042 its reverse (2407082914), we get a palindrome (6599889956).

The spelling of 4192807042 in words is "four billion, one hundred ninety-two million, eight hundred seven thousand, forty-two".