4010020039 has 4 divisors (see below), whose sum is σ = 4045507056. Its totient is φ = 3974533024.

The previous prime is 4010019991. The next prime is 4010020043. The reversal of 4010020039 is 9300200104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4010020039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4010019998 and 4010020025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4010020939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17743339 + ... + 17743564.

It is an arithmetic number, because the mean of its divisors is an integer number (1011376764).

Almost surely, 2^4010020039 is an apocalyptic number.

4010020039 is a deficient number, since it is larger than the sum of its proper divisors (35487017).

4010020039 is a wasteful number, since it uses less digits than its factorization.

4010020039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35487016.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 4010020039 is about 63324.7190203004. The cubic root of 4010020039 is about 1588.7254317590.

The spelling of 4010020039 in words is "four billion, ten million, twenty thousand, thirty-nine".