3440443420 has 24 divisors (see below), whose sum is σ = 7474068000. Its totient is φ = 1328722752.

The previous prime is 3440443403. The next prime is 3440443421. The reversal of 3440443420 is 243440443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440443421) 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, 2965320 + ... + 2966479.

It is an arithmetic number, because the mean of its divisors is an integer number (311419500).

Almost surely, 2^3440443420 is an apocalyptic number.

It is an amenable number.

3440443420 is an abundant number, since it is smaller than the sum of its proper divisors (4033624580).

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

3440443420 is a wasteful number, since it uses less digits than its factorization.

3440443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931837 (or 5931835 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 3440443420 is about 58655.2931967781. The cubic root of 3440443420 is about 1509.6333217809.

Adding to 3440443420 its reverse (243440443), we get a palindrome (3683883863).

The spelling of 3440443420 in words is "three billion, four hundred forty million, four hundred forty-three thousand, four hundred twenty".