2442044440 has 96 divisors (see below), whose sum is σ = 6065766000. Its totient is φ = 877486080.

The previous prime is 2442044413. The next prime is 2442044453. The reversal of 2442044440 is 444402442.

It is a junction number, because it is equal to n+sod(n) for n = 2442044399 and 2442044408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12652984 + ... + 12653176.

Almost surely, 2^2442044440 is an apocalyptic number.

2442044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2442044440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3032883000).

2442044440 is an abundant number, since it is smaller than the sum of its proper divisors (3623721560).

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

2442044440 is a wasteful number, since it uses less digits than its factorization.

2442044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 360 counting only the distinct ones).

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

The square root of 2442044440 is about 49417.0460468855. The cubic root of 2442044440 is about 1346.6389991484.

Adding to 2442044440 its reverse (444402442), we get a palindrome (2886446882).

The spelling of 2442044440 in words is "two billion, four hundred forty-two million, forty-four thousand, four hundred forty".