3440440413 has 28 divisors (see below), whose sum is σ = 5163157120. Its totient is φ = 2291468616.

The previous prime is 3440440411. The next prime is 3440440417. The reversal of 3440440413 is 3140440443.

3440440413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3440440413 - 2¹ = 3440440411 is a prime.

It is a super-2 number, since 2×3440440413² = 23673260470807221138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440440411) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1280970 + ... + 1283652.

Almost surely, 2^3440440413 is an apocalyptic number.

It is an amenable number.

3440440413 is a deficient number, since it is larger than the sum of its proper divisors (1722716707).

3440440413 is an equidigital number, since it uses as much as digits as its factorization.

3440440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3440440413 is about 58655.2675639622. The cubic root of 3440440413 is about 1509.6328819665.

Adding to 3440440413 its reverse (3140440443), we get a palindrome (6580880856).

The spelling of 3440440413 in words is "three billion, four hundred forty million, four hundred forty thousand, four hundred thirteen".