6220553944 has 32 divisors (see below), whose sum is σ = 13393540800. Its totient is φ = 2678706720.

The previous prime is 6220553897. The next prime is 6220553947. The reversal of 6220553944 is 4493550226.

It is a junction number, because it is equal to n+sod(n) for n = 6220553897 and 6220553906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220553947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858542 + ... + 1861885.

It is an arithmetic number, because the mean of its divisors is an integer number (418548150).

Almost surely, 2^6220553944 is an apocalyptic number.

It is an amenable number.

6220553944 is an abundant number, since it is smaller than the sum of its proper divisors (7172986856).

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

6220553944 is a wasteful number, since it uses less digits than its factorization.

6220553944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720463 (or 3720459 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6220553944 is about 78870.4884224765. The cubic root of 6220553944 is about 1839.1183890923.

The spelling of 6220553944 in words is "six billion, two hundred twenty million, five hundred fifty-three thousand, nine hundred forty-four".