4430420142 has 16 divisors (see below), whose sum is σ = 8866564560. Its totient is φ = 1475852672.

The previous prime is 4430420129. The next prime is 4430420143. The reversal of 4430420142 is 2410240344.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430420143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228417 + ... + 247052.

It is an arithmetic number, because the mean of its divisors is an integer number (554160285).

Almost surely, 2^4430420142 is an apocalyptic number.

4430420142 is an abundant number, since it is smaller than the sum of its proper divisors (4436144418).

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

4430420142 is a wasteful number, since it uses less digits than its factorization.

4430420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477027.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4430420142 is about 66561.4012923406. The cubic root of 4430420142 is about 1642.4102155259.

Adding to 4430420142 its reverse (2410240344), we get a palindrome (6840660486).

It can be divided in two parts, 44304 and 20142, that added together give a palindrome (64446).

The spelling of 4430420142 in words is "four billion, four hundred thirty million, four hundred twenty thousand, one hundred forty-two".