2203000040 has 16 divisors (see below), whose sum is σ = 4956750180. Its totient is φ = 881200000.

The previous prime is 2203000021. The next prime is 2203000043. The reversal of 2203000040 is 400003022.

It can be written as a sum of positive squares in 2 ways, for example, as 2070796036 + 132204004 = 45506^2 + 11498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2202999985 and 2203000030.

It is not an unprimeable number, because it can be changed into a prime (2203000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27537461 + ... + 27537540.

Almost surely, 2^2203000040 is an apocalyptic number.

2203000040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203000040 is an abundant number, since it is smaller than the sum of its proper divisors (2753750140).

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

2203000040 is a wasteful number, since it uses less digits than its factorization.

2203000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55075012 (or 55075008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2203000040 is about 46936.1272369163. The cubic root of 2203000040 is about 1301.1823641431.

Adding to 2203000040 its reverse (400003022), we get a palindrome (2603003062).

The spelling of 2203000040 in words is "two billion, two hundred three million, forty", and thus it is an aban number.