3440341021 has 8 divisors (see below), whose sum is σ = 3832741080. Its totient is φ = 3066192192.

The previous prime is 3440340979. The next prime is 3440341027. The reversal of 3440341021 is 1201430443.

3440341021 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 763416900 + 2676924121 = 27630^2 + 51739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3440341021 - 2¹¹ = 3440338973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3440340983 and 3440341001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440341027) 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, 4562410 + ... + 4563163.

It is an arithmetic number, because the mean of its divisors is an integer number (479092635).

Almost surely, 2^3440341021 is an apocalyptic number.

It is an amenable number.

3440341021 is a deficient number, since it is larger than the sum of its proper divisors (392400059).

3440341021 is a wasteful number, since it uses less digits than its factorization.

3440341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125615.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3440341021 is about 58654.4203023097. The cubic root of 3440341021 is about 1509.6183444017.

Adding to 3440341021 its reverse (1201430443), we get a palindrome (4641771464).

The spelling of 3440341021 in words is "three billion, four hundred forty million, three hundred forty-one thousand, twenty-one".