2444440420 has 24 divisors (see below), whose sum is σ = 5155948224. Its totient is φ = 973466976.

The previous prime is 2444440367. The next prime is 2444440429. The reversal of 2444440420 is 240444442.

It is not an unprimeable number, because it can be changed into a prime (2444440429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264672 + ... + 273751.

It is an arithmetic number, because the mean of its divisors is an integer number (214831176).

Almost surely, 2^2444440420 is an apocalyptic number.

2444440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444440420 is an abundant number, since it is smaller than the sum of its proper divisors (2711507804).

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

2444440420 is a wasteful number, since it uses less digits than its factorization.

2444440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538659 (or 538657 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 2444440420 is about 49441.2825480893. The cubic root of 2444440420 is about 1347.0792676125.

Adding to 2444440420 its reverse (240444442), we get a palindrome (2684884862).

The spelling of 2444440420 in words is "two billion, four hundred forty-four million, four hundred forty thousand, four hundred twenty".