4030440420 has 96 divisors (see below), whose sum is σ = 11800293120. Its totient is φ = 1027868160.

The previous prime is 4030440389. The next prime is 4030440499. The reversal of 4030440420 is 240440304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 727260 + ... + 732780.

It is an arithmetic number, because the mean of its divisors is an integer number (122919720).

Almost surely, 2^4030440420 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 4030440420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5900146560).

4030440420 is an abundant number, since it is smaller than the sum of its proper divisors (7769852700).

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

4030440420 is a wasteful number, since it uses less digits than its factorization.

4030440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5554 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4030440420 is about 63485.7497396069. The cubic root of 4030440420 is about 1591.4176431344.

Adding to 4030440420 its reverse (240440304), we get a palindrome (4270880724).

The spelling of 4030440420 in words is "four billion, thirty million, four hundred forty thousand, four hundred twenty".