6620442400046 has 32 divisors (see below), whose sum is σ = 10856836104192. Its totient is φ = 3014216657280.

The previous prime is 6620442400037. The next prime is 6620442400079. The reversal of 6620442400046 is 6400042440266.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6620442399982 and 6620442400009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3238355 + ... + 4871121.

It is an arithmetic number, because the mean of its divisors is an integer number (339276128256).

Almost surely, 2^{6620442400046} is an apocalyptic number.

6620442400046 is a deficient number, since it is larger than the sum of its proper divisors (4236393704146).

6620442400046 is a wasteful number, since it uses less digits than its factorization.

6620442400046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636664.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 6620442400046 in words is "six trillion, six hundred twenty billion, four hundred forty-two million, four hundred thousand, forty-six".