2204042440 has 64 divisors (see below), whose sum is σ = 5079490560. Its totient is φ = 860325120.

The previous prime is 2204042429. The next prime is 2204042473. The reversal of 2204042440 is 442404022.

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 15 ways as a sum of consecutive naturals, for example, 718510 + ... + 721570.

It is an arithmetic number, because the mean of its divisors is an integer number (79367040).

Almost surely, 2^2204042440 is an apocalyptic number.

2204042440 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 2204042440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2539745280).

2204042440 is an abundant number, since it is smaller than the sum of its proper divisors (2875448120).

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

2204042440 is a wasteful number, since it uses less digits than its factorization.

2204042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3498 counting only the distinct ones).

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

The square root of 2204042440 is about 46947.2303762426. The cubic root of 2204042440 is about 1301.3875598760.

Adding to 2204042440 its reverse (442404022), we get a palindrome (2646446462).

The spelling of 2204042440 in words is "two billion, two hundred four million, forty-two thousand, four hundred forty".