4050440009 has 32 divisors (see below), whose sum is σ = 5456160000. Its totient is φ = 2970481920.

The previous prime is 4050439999. The next prime is 4050440011. The reversal of 4050440009 is 9000440504.

It is not a de Polignac number, because 4050440009 - 2⁴ = 4050439993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4050440009.

It is not an unprimeable number, because it can be changed into a prime (4050440029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32567 + ... + 95715.

It is an arithmetic number, because the mean of its divisors is an integer number (170505000).

Almost surely, 2^4050440009 is an apocalyptic number.

4050440009 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4050440009 is a deficient number, since it is larger than the sum of its proper divisors (1405719991).

4050440009 is a wasteful number, since it uses less digits than its factorization.

4050440009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63198 (or 63184 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4050440009 is about 63643.0672500941. The cubic root of 4050440009 is about 1594.0455775273.

The spelling of 4050440009 in words is "four billion, fifty million, four hundred forty thousand, nine".