4030420442 has 8 divisors (see below), whose sum is σ = 6061173300. Its totient is φ = 2010029344.

The previous prime is 4030420441. The next prime is 4030420477. The reversal of 4030420442 is 2440240304.

It can be written as a sum of positive squares in 2 ways, for example, as 3568987081 + 461433361 = 59741^2 + 21481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4030420441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589467 + ... + 2591022.

Almost surely, 2^4030420442 is an apocalyptic number.

4030420442 is a deficient number, since it is larger than the sum of its proper divisors (2030752858).

4030420442 is a wasteful number, since it uses less digits than its factorization.

4030420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180880.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4030420442 is about 63485.5923970156. The cubic root of 4030420442 is about 1591.4150136952.

Adding to 4030420442 its reverse (2440240304), we get a palindrome (6470660746).

The spelling of 4030420442 in words is "four billion, thirty million, four hundred twenty thousand, four hundred forty-two".