3220156305436 has 12 divisors (see below), whose sum is σ = 6440312610928. Its totient is φ = 1380066988032.

The previous prime is 3220156305419. The next prime is 3220156305449. The reversal of 3220156305436 is 6345036510223.

3220156305436 is an admirable number.

It is a super-3 number, since 3×3220156305436³ (a number of 39 digits) contains 333 as substring.

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, 57502791141 + ... + 57502791196.

Almost surely, 2^{3220156305436} is an apocalyptic number.

It is an amenable number.

3220156305436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3220156305436 is a wasteful number, since it uses less digits than its factorization.

3220156305436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115005582348 (or 115005582346 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 3220156305436 in words is "three trillion, two hundred twenty billion, one hundred fifty-six million, three hundred five thousand, four hundred thirty-six".