6220544656400 has 120 divisors (see below), whose sum is σ = 15143575153920. Its totient is φ = 2455172628480.

The previous prime is 6220544656397. The next prime is 6220544656409. The reversal of 6220544656400 is 46564450226.

It is not an unprimeable number, because it can be changed into a prime (6220544656409) 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 23 ways as a sum of consecutive naturals, for example, 50719952 + ... + 50842448.

It is an arithmetic number, because the mean of its divisors is an integer number (126196459616).

Almost surely, 2^{6220544656400} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220544656400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7571787576960).

6220544656400 is an abundant number, since it is smaller than the sum of its proper divisors (8923030497520).

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

6220544656400 is a wasteful number, since it uses less digits than its factorization.

6220544656400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124201 (or 124190 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 6220544656400 in words is "six trillion, two hundred twenty billion, five hundred forty-four million, six hundred fifty-six thousand, four hundred".