6206662020440 has 64 divisors (see below), whose sum is σ = 15974537601600. Its totient is φ = 2126058467328.

The previous prime is 6206662020437. The next prime is 6206662020529. The reversal of 6206662020440 is 440202666026.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6206662020394 and 6206662020403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9796145 + ... + 10410464.

It is an arithmetic number, because the mean of its divisors is an integer number (249602150025).

Almost surely, 2^{6206662020440} is an apocalyptic number.

It is an amenable number.

6206662020440 is an abundant number, since it is smaller than the sum of its proper divisors (9767875581160).

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

6206662020440 is a wasteful number, since it uses less digits than its factorization.

6206662020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20207724 (or 20207720 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 6206662020440 its reverse (440202666026), we get a palindrome (6646864686466).

The spelling of 6206662020440 in words is "six trillion, two hundred six billion, six hundred sixty-two million, twenty thousand, four hundred forty".