2203364440 has 64 divisors (see below), whose sum is σ = 5054400000. Its totient is φ = 864209280.

The previous prime is 2203364411. The next prime is 2203364453. The reversal of 2203364440 is 444633022.

It is a junction number, because it is equal to n+sod(n) for n = 2203364399 and 2203364408.

It is a congruent number.

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, 1176705 + ... + 1178575.

It is an arithmetic number, because the mean of its divisors is an integer number (78975000).

Almost surely, 2^2203364440 is an apocalyptic number.

2203364440 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 2203364440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2527200000).

2203364440 is an abundant number, since it is smaller than the sum of its proper divisors (2851035560).

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

2203364440 is a wasteful number, since it uses less digits than its factorization.

2203364440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 2203364440 is about 46940.0089475918. The cubic root of 2203364440 is about 1301.2541033933.

Adding to 2203364440 its reverse (444633022), we get a palindrome (2647997462).

The spelling of 2203364440 in words is "two billion, two hundred three million, three hundred sixty-four thousand, four hundred forty".