4008044840 has 32 divisors (see below), whose sum is σ = 9036074880. Its totient is φ = 1600022592.

The previous prime is 4008044819. The next prime is 4008044857. The reversal of 4008044840 is 484408004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4008044797 and 4008044806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79484 + ... + 119723.

It is an arithmetic number, because the mean of its divisors is an integer number (282377340).

Almost surely, 2^4008044840 is an apocalyptic number.

4008044840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4008044840 is an abundant number, since it is smaller than the sum of its proper divisors (5028030040).

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

4008044840 is a wasteful number, since it uses less digits than its factorization.

4008044840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199721 (or 199717 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 4008044840 is about 63309.1213017524. The cubic root of 4008044840 is about 1588.4645382783.

The spelling of 4008044840 in words is "four billion, eight million, forty-four thousand, eight hundred forty".