4040808040 has 32 divisors (see below), whose sum is σ = 9303259680. Its totient is φ = 1578733632.

The previous prime is 4040808029. The next prime is 4040808049. The reversal of 4040808040 is 408080404.

It is a happy number.

It is a super-2 number, since 2×4040808040² = 32656259232257283200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4040808049) 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, 1172934 + ... + 1176373.

It is an arithmetic number, because the mean of its divisors is an integer number (290726865).

Almost surely, 2^4040808040 is an apocalyptic number.

4040808040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040808040 is an abundant number, since it is smaller than the sum of its proper divisors (5262451640).

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

4040808040 is a wasteful number, since it uses less digits than its factorization.

4040808040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349361 (or 2349357 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 4040808040 is about 63567.3504245694. The cubic root of 4040808040 is about 1592.7810248590.

Adding to 4040808040 its reverse (408080404), we get a palindrome (4448888444).

The spelling of 4040808040 in words is "four billion, forty million, eight hundred eight thousand, forty".