4040030030440 has 128 divisors (see below), whose sum is σ = 9999410148000. Its totient is φ = 1462201581568.

The previous prime is 4040030030429. The next prime is 4040030030447. The reversal of 4040030030440 is 440300300404.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 397497464676 + 3642532565764 = 630474^2 + 1908542^2 .

It is a super-3 number, since 3×4040030030440³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4040030030447) 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, 4155126 + ... + 5034394.

Almost surely, 2^{4040030030440} is an apocalyptic number.

4040030030440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040030030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4999705074000).

4040030030440 is an abundant number, since it is smaller than the sum of its proper divisors (5959380117560).

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

4040030030440 is a wasteful number, since it uses less digits than its factorization.

4040030030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879559 (or 879555 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 4040030030440 its reverse (440300300404), we get a palindrome (4480330330844).

The spelling of 4040030030440 in words is "four trillion, forty billion, thirty million, thirty thousand, four hundred forty".