3440321420 has 24 divisors (see below), whose sum is σ = 7419938064. Its totient is φ = 1338935616.

The previous prime is 3440321419. The next prime is 3440321461. The reversal of 3440321420 is 241230443.

It is a super-2 number, since 2×3440321420² = 23671622945821632800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323802 + ... + 2325281.

It is an arithmetic number, because the mean of its divisors is an integer number (309164086).

Almost surely, 2^3440321420 is an apocalyptic number.

It is an amenable number.

3440321420 is an abundant number, since it is smaller than the sum of its proper divisors (3979616644).

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

3440321420 is a wasteful number, since it uses less digits than its factorization.

3440321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649129 (or 4649127 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3440321420 is about 58654.2532132155. The cubic root of 3440321420 is about 1509.6154774296.

Adding to 3440321420 its reverse (241230443), we get a palindrome (3681551863).

The spelling of 3440321420 in words is "three billion, four hundred forty million, three hundred twenty-one thousand, four hundred twenty".