4240200040 has 32 divisors (see below), whose sum is σ = 9542891880. Its totient is φ = 1695645952.

The previous prime is 4240199947. The next prime is 4240200043. The reversal of 4240200040 is 400020424.

It can be written as a sum of positive squares in 4 ways, for example, as 3769223236 + 470976804 = 61394^2 + 21702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4240199987 and 4240200023.

It is not an unprimeable number, because it can be changed into a prime (4240200043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178122 + ... + 200518.

Almost surely, 2^4240200040 is an apocalyptic number.

4240200040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240200040 is an abundant number, since it is smaller than the sum of its proper divisors (5302691840).

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

4240200040 is a wasteful number, since it uses less digits than its factorization.

4240200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27141 (or 27137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4240200040 is about 65116.8184112215. The cubic root of 4240200040 is about 1618.5599202579.

Adding to 4240200040 its reverse (400020424), we get a palindrome (4640220464).

The spelling of 4240200040 in words is "four billion, two hundred forty million, two hundred thousand, forty".