3220040032506 has 48 divisors (see below), whose sum is σ = 7611357106080. Its totient is φ = 975724400160.

The previous prime is 3220040032459. The next prime is 3220040032513. The reversal of 3220040032506 is 6052300400223.

3220040032506 is a `hidden beast` number, since 3 + 2 + 2 + 0 + 0 + 400 + 3 + 250 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3220040032506.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4026961 + ... + 4759883.

It is an arithmetic number, because the mean of its divisors is an integer number (158569939710).

Almost surely, 2^{3220040032506} is an apocalyptic number.

3220040032506 is an abundant number, since it is smaller than the sum of its proper divisors (4391317073574).

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

3220040032506 is a wasteful number, since it uses less digits than its factorization.

3220040032506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755131 (or 755128 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 3220040032506 its reverse (6052300400223), we get a palindrome (9272340432729).

The spelling of 3220040032506 in words is "three trillion, two hundred twenty billion, forty million, thirty-two thousand, five hundred six".