4442430420 has 60 divisors (see below), whose sum is σ = 13936073844. Its totient is φ = 1184647680.

The previous prime is 4442430389. The next prime is 4442430431. The reversal of 4442430420 is 240342444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2015291664 + 2427138756 = 44892^2 + 49266^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1369501 + ... + 1372740.

Almost surely, 2^4442430420 is an apocalyptic number.

It is an amenable number.

4442430420 is an abundant number, since it is smaller than the sum of its proper divisors (9493643424).

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

4442430420 is a wasteful number, since it uses less digits than its factorization.

4442430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742262 (or 2742251 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4442430420 is about 66651.5597716963. The cubic root of 4442430420 is about 1643.8929947936.

Adding to 4442430420 its reverse (240342444), we get a palindrome (4682772864).

The spelling of 4442430420 in words is "four billion, four hundred forty-two million, four hundred thirty thousand, four hundred twenty".