3505446405 has 12 divisors (see below), whose sum is σ = 6076107180. Its totient is φ = 1869571392.

The previous prime is 3505446403. The next prime is 3505446407. The reversal of 3505446405 is 5046445053.

3505446405 is a `hidden beast` number, since 3 + 5 + 0 + 5 + 4 + 4 + 640 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (3505446403) and next prime (3505446407).

It can be written as a sum of positive squares in 2 ways, for example, as 639128961 + 2866317444 = 25281^2 + 53538^2 .

It is not a de Polignac number, because 3505446405 - 2¹ = 3505446403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3505446405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505446403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38949360 + ... + 38949449.

It is an arithmetic number, because the mean of its divisors is an integer number (506342265).

Almost surely, 2^3505446405 is an apocalyptic number.

It is an amenable number.

3505446405 is a deficient number, since it is larger than the sum of its proper divisors (2570660775).

3505446405 is a wasteful number, since it uses less digits than its factorization.

3505446405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77898820 (or 77898817 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 3505446405 is about 59206.8104612974. The cubic root of 3505446405 is about 1519.0816250885.

The spelling of 3505446405 in words is "three billion, five hundred five million, four hundred forty-six thousand, four hundred five".