4040243020 has 192 divisors, whose sum is σ = 10218700800. Its totient is φ = 1326124800.

The previous prime is 4040243017. The next prime is 4040243027. The reversal of 4040243020 is 203420404.

4040243020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4040243027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6744681 + ... + 6745279.

It is an arithmetic number, because the mean of its divisors is an integer number (53222400).

Almost surely, 2^4040243020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040243020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5109350400).

4040243020 is an abundant number, since it is smaller than the sum of its proper divisors (6178457780).

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

4040243020 is a wasteful number, since it uses less digits than its factorization.

4040243020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4040243020 is about 63562.9060065696. The cubic root of 4040243020 is about 1592.7067826880.

Adding to 4040243020 its reverse (203420404), we get a palindrome (4243663424).

It can be divided in two parts, 404024 and 3020, that added together give a square (407044 = 638²).

The spelling of 4040243020 in words is "four billion, forty million, two hundred forty-three thousand, twenty".