3440240420 has 24 divisors (see below), whose sum is σ = 7473627000. Its totient is φ = 1328644352.

The previous prime is 3440240417. The next prime is 3440240429. The reversal of 3440240420 is 240420443.

3440240420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3467044 + 3436773376 = 1862^2 + 58624^2 .

It is not an unprimeable number, because it can be changed into a prime (3440240429) 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, 2965145 + ... + 2966304.

It is an arithmetic number, because the mean of its divisors is an integer number (311401125).

Almost surely, 2^3440240420 is an apocalyptic number.

It is an amenable number.

3440240420 is an abundant number, since it is smaller than the sum of its proper divisors (4033386580).

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

3440240420 is a wasteful number, since it uses less digits than its factorization.

3440240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931487 (or 5931485 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 3440240420 is about 58653.5627221399. The cubic root of 3440240420 is about 1509.6036297175.

Adding to 3440240420 its reverse (240420443), we get a palindrome (3680660863).

The spelling of 3440240420 in words is "three billion, four hundred forty million, two hundred forty thousand, four hundred twenty".