2244420040 has 96 divisors (see below), whose sum is σ = 5355052920. Its totient is φ = 846388224.

The previous prime is 2244420029. The next prime is 2244420041. The reversal of 2244420040 is 400244422.

It can be written as a sum of positive squares in 4 ways, for example, as 2214455364 + 29964676 = 47058^2 + 5474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2244419993 and 2244420020.

It is not an unprimeable number, because it can be changed into a prime (2244420041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1543954 + ... + 1545406.

Almost surely, 2^2244420040 is an apocalyptic number.

2244420040 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 2244420040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677526460).

2244420040 is an abundant number, since it is smaller than the sum of its proper divisors (3110632880).

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

2244420040 is a wasteful number, since it uses less digits than its factorization.

2244420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2244420040 is about 47375.3104475316. The cubic root of 2244420040 is about 1309.2865683922.

Adding to 2244420040 its reverse (400244422), we get a palindrome (2644664462).

The spelling of 2244420040 in words is "two billion, two hundred forty-four million, four hundred twenty thousand, forty".