4442012420 has 12 divisors (see below), whose sum is σ = 9328226124. Its totient is φ = 1776804960.

The previous prime is 4442012383. The next prime is 4442012437. The reversal of 4442012420 is 242102444.

It can be written as a sum of positive squares in 2 ways, for example, as 3220789504 + 1221222916 = 56752^2 + 34946^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 111050291 + ... + 111050330.

It is an arithmetic number, because the mean of its divisors is an integer number (777352177).

Almost surely, 2^4442012420 is an apocalyptic number.

It is an amenable number.

4442012420 is an abundant number, since it is smaller than the sum of its proper divisors (4886213704).

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

4442012420 is a wasteful number, since it uses less digits than its factorization.

4442012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222100630 (or 222100628 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4442012420 is about 66648.4239873682. The cubic root of 4442012420 is about 1643.8414337666.

Adding to 4442012420 its reverse (242102444), we get a palindrome (4684114864).

The spelling of 4442012420 in words is "four billion, four hundred forty-two million, twelve thousand, four hundred twenty".