4440020412 has 24 divisors (see below), whose sum is σ = 10377360000. Its totient is φ = 1477533616.

The previous prime is 4440020401. The next prime is 4440020443. The reversal of 4440020412 is 2140200444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301662 + ... + 316037.

It is an arithmetic number, because the mean of its divisors is an integer number (432390000).

Almost surely, 2^4440020412 is an apocalyptic number.

It is an amenable number.

4440020412 is an abundant number, since it is smaller than the sum of its proper divisors (5937339588).

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

4440020412 is a wasteful number, since it uses less digits than its factorization.

4440020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618305 (or 618303 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4440020412 is about 66633.4781622571. The cubic root of 4440020412 is about 1643.5956716670.

Adding to 4440020412 its reverse (2140200444), we get a palindrome (6580220856).

The spelling of 4440020412 in words is "four billion, four hundred forty million, twenty thousand, four hundred twelve".