3609026816 has 36 divisors (see below), whose sum is σ = 7224544572. Its totient is φ = 1799356416.

The previous prime is 3609026809. The next prime is 3609026831. The reversal of 3609026816 is 6186209063.

It can be written as a sum of positive squares in 2 ways, for example, as 2334822400 + 1274204416 = 48320^2 + 35696^2 .

It is an unprimeable number.

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, 70400 + ... + 110336.

Almost surely, 2^3609026816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609026816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3612272286).

3609026816 is an abundant number, since it is smaller than the sum of its proper divisors (3615517756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3609026816 is an equidigital number, since it uses as much as digits as its factorization.

3609026816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40306 (or 40292 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 3609026816 is about 60075.1763709438. The cubic root of 3609026816 is about 1533.8987834288.

The spelling of 3609026816 in words is "three billion, six hundred nine million, twenty-six thousand, eight hundred sixteen".