3216366345040 has 20 divisors (see below), whose sum is σ = 7478051752404. Its totient is φ = 1286546537984.

The previous prime is 3216366345007. The next prime is 3216366345053. The reversal of 3216366345040 is 405436636123.

It can be written as a sum of positive squares in 2 ways, for example, as 2112034384656 + 1104331960384 = 1453284^2 + 1050872^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 20102289577 + ... + 20102289736.

Almost surely, 2^{3216366345040} is an apocalyptic number.

It is an amenable number.

3216366345040 is an abundant number, since it is smaller than the sum of its proper divisors (4261685407364).

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

3216366345040 is a wasteful number, since it uses less digits than its factorization.

3216366345040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40204579326 (or 40204579320 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 3216366345040 in words is "three trillion, two hundred sixteen billion, three hundred sixty-six million, three hundred forty-five thousand, forty".