4520200042 has 4 divisors (see below), whose sum is σ = 6780300066. Its totient is φ = 2260100020.

The previous prime is 4520200007. The next prime is 4520200049. The reversal of 4520200042 is 2400020254.

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., 4106118241 + 414081801 = 64079^2 + 20349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4520199992 and 4520200019.

It is not an unprimeable number, because it can be changed into a prime (4520200049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130050009 + ... + 1130050012.

Almost surely, 2^4520200042 is an apocalyptic number.

4520200042 is a deficient number, since it is larger than the sum of its proper divisors (2260100024).

4520200042 is a wasteful number, since it uses less digits than its factorization.

4520200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260100023.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4520200042 is about 67232.4329620757. The cubic root of 4520200042 is about 1653.4302731687.

Adding to 4520200042 its reverse (2400020254), we get a palindrome (6920220296).

The spelling of 4520200042 in words is "four billion, five hundred twenty million, two hundred thousand, forty-two".