3452445405 has 24 divisors (see below), whose sum is σ = 5985939960. Its totient is φ = 1840780800.

The previous prime is 3452445377. The next prime is 3452445413. The reversal of 3452445405 is 5045442543.

3452445405 is a `hidden beast` number, since 3 + 4 + 5 + 244 + 5 + 405 = 666.

3452445405 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 43520409 + 3408924996 = 6597^2 + 58386^2 .

It is not a de Polignac number, because 3452445405 - 2⁷ = 3452445277 is a prime.

It is a super-2 number, since 2×3452445405² = 23838758549011228050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3452445405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189705 + ... + 207105.

It is an arithmetic number, because the mean of its divisors is an integer number (249414165).

Almost surely, 2^3452445405 is an apocalyptic number.

It is an amenable number.

3452445405 is a deficient number, since it is larger than the sum of its proper divisors (2533494555).

3452445405 is a wasteful number, since it uses less digits than its factorization.

3452445405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21821 (or 21818 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The square root of 3452445405 is about 58757.5136046446. The cubic root of 3452445405 is about 1511.3867361045.

Adding to 3452445405 its reverse (5045442543), we get a palindrome (8497887948).

The spelling of 3452445405 in words is "three billion, four hundred fifty-two million, four hundred forty-five thousand, four hundred five".