4065041020 has 24 divisors (see below), whose sum is σ = 9038739024. Its totient is φ = 1530368256.

The previous prime is 4065041009. The next prime is 4065041023. The reversal of 4065041020 is 201405604.

It is a junction number, because it is equal to n+sod(n) for n = 4065040982 and 4065041000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065041023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5977662 + ... + 5978341.

It is an arithmetic number, because the mean of its divisors is an integer number (376614126).

Almost surely, 2^4065041020 is an apocalyptic number.

It is an amenable number.

4065041020 is an abundant number, since it is smaller than the sum of its proper divisors (4973698004).

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

4065041020 is a wasteful number, since it uses less digits than its factorization.

4065041020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956029 (or 11956027 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4065041020 is about 63757.6742047575. The cubic root of 4065041020 is about 1595.9586837586.

Adding to 4065041020 its reverse (201405604), we get a palindrome (4266446624).

The spelling of 4065041020 in words is "four billion, sixty-five million, forty-one thousand, twenty".