3244042405 has 4 divisors (see below), whose sum is σ = 3892850892. Its totient is φ = 2595233920.

The previous prime is 3244042393. The next prime is 3244042409. The reversal of 3244042405 is 5042404423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5042404423 = 7 ⋅720343489.

It can be written as a sum of positive squares in 2 ways, for example, as 1520298081 + 1723744324 = 38991^2 + 41518^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3244042405 is a prime.

It is a super-2 number, since 2×3244042405² = 21047622250876368050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244042409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324404236 + ... + 324404245.

It is an arithmetic number, because the mean of its divisors is an integer number (973212723).

Almost surely, 2^3244042405 is an apocalyptic number.

It is an amenable number.

3244042405 is a deficient number, since it is larger than the sum of its proper divisors (648808487).

3244042405 is an equidigital number, since it uses as much as digits as its factorization.

3244042405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648808486.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 3244042405 is about 56956.4957226127. The cubic root of 3244042405 is about 1480.3423856324.

Adding to 3244042405 its reverse (5042404423), we get a palindrome (8286446828).

The spelling of 3244042405 in words is "three billion, two hundred forty-four million, forty-two thousand, four hundred five".