4040635240 has 32 divisors (see below), whose sum is σ = 9108859680. Its totient is φ = 1613155392.

The previous prime is 4040635211. The next prime is 4040635241. The reversal of 4040635240 is 425360404.

It is a junction number, because it is equal to n+sod(n) for n = 4040635199 and 4040635208.

It is not an unprimeable number, because it can be changed into a prime (4040635241) 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, 75654 + ... + 117493.

It is an arithmetic number, because the mean of its divisors is an integer number (284651865).

Almost surely, 2^4040635240 is an apocalyptic number.

4040635240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040635240 is an abundant number, since it is smaller than the sum of its proper divisors (5068224440).

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

4040635240 is a wasteful number, since it uses less digits than its factorization.

4040635240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193681 (or 193677 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4040635240 is about 63565.9912217217. The cubic root of 4040635240 is about 1592.7583201192.

Adding to 4040635240 its reverse (425360404), we get a palindrome (4465995644).

The spelling of 4040635240 in words is "four billion, forty million, six hundred thirty-five thousand, two hundred forty".