4520243442 has 64 divisors (see below), whose sum is σ = 10684929024. Its totient is φ = 1256792640.

The previous prime is 4520243419. The next prime is 4520243447. The reversal of 4520243442 is 2443420254.

It is not an unprimeable number, because it can be changed into a prime (4520243447) 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 in 31 ways as a sum of consecutive naturals, for example, 127513 + ... + 159059.

It is an arithmetic number, because the mean of its divisors is an integer number (166952016).

Almost surely, 2^4520243442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4520243442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5342464512).

4520243442 is an abundant number, since it is smaller than the sum of its proper divisors (6164685582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4520243442 is a wasteful number, since it uses less digits than its factorization.

4520243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31743.

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 4520243442 is about 67232.7557221924. The cubic root of 4520243442 is about 1653.4355648699.

Adding to 4520243442 its reverse (2443420254), we get a palindrome (6963663696).

The spelling of 4520243442 in words is "four billion, five hundred twenty million, two hundred forty-three thousand, four hundred forty-two".