3540044605 has 4 divisors (see below), whose sum is σ = 4248053532. Its totient is φ = 2832035680.

The previous prime is 3540044581. The next prime is 3540044611. The reversal of 3540044605 is 5064400453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 867361401 + 2672683204 = 29451^2 + 51698^2 .

It is not a de Polignac number, because 3540044605 - 2⁷ = 3540044477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354004456 + ... + 354004465.

It is an arithmetic number, because the mean of its divisors is an integer number (1062013383).

Almost surely, 2^3540044605 is an apocalyptic number.

It is an amenable number.

3540044605 is a deficient number, since it is larger than the sum of its proper divisors (708008927).

3540044605 is an equidigital number, since it uses as much as digits as its factorization.

3540044605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708008926.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3540044605 is about 59498.2739665614. The cubic root of 3540044605 is about 1524.0629707231.

The spelling of 3540044605 in words is "three billion, five hundred forty million, forty-four thousand, six hundred five".