4040865108 has 72 divisors (see below), whose sum is σ = 11757695040. Its totient is φ = 1146216960.

The previous prime is 4040865107. The next prime is 4040865119. The reversal of 4040865108 is 8015680404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040865107) 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 23 ways as a sum of consecutive naturals, for example, 22653 + ... + 92708.

It is an arithmetic number, because the mean of its divisors is an integer number (163301320).

Almost surely, 2^4040865108 is an apocalyptic number.

It is an amenable number.

4040865108 is an abundant number, since it is smaller than the sum of its proper divisors (7716829932).

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

4040865108 is a wasteful number, since it uses less digits than its factorization.

4040865108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115517 (or 115512 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 4040865108 is about 63567.7993012185. The cubic root of 4040865108 is about 1592.7885230622.

The spelling of 4040865108 in words is "four billion, forty million, eight hundred sixty-five thousand, one hundred eight".