3502040785 has 8 divisors (see below), whose sum is σ = 4207246056. Its totient is φ = 2798434560.

The previous prime is 3502040629. The next prime is 3502040821. The reversal of 3502040785 is 5870402053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1375816464 + 2126224321 = 37092^2 + 46111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3502040785 - 2¹¹ = 3502038737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3502040785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394936 + ... + 403705.

It is an arithmetic number, because the mean of its divisors is an integer number (525905757).

Almost surely, 2^3502040785 is an apocalyptic number.

It is an amenable number.

3502040785 is a deficient number, since it is larger than the sum of its proper divisors (705205271).

3502040785 is an equidigital number, since it uses as much as digits as its factorization.

3502040785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799523.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 3502040785 is about 59178.0430987710. The cubic root of 3502040785 is about 1518.5895250406.

The spelling of 3502040785 in words is "three billion, five hundred two million, forty thousand, seven hundred eighty-five".