6220387194640 has 160 divisors (see below), whose sum is σ = 15674235356160. Its totient is φ = 2290159872000.

The previous prime is 6220387194613. The next prime is 6220387194643. The reversal of 6220387194640 is 464917830226.

It is not an unprimeable number, because it can be changed into a prime (6220387194643) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4173190 + ... + 5464090.

It is an arithmetic number, because the mean of its divisors is an integer number (97963970976).

Almost surely, 2^{6220387194640} 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 6220387194640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7837117678080).

6220387194640 is an abundant number, since it is smaller than the sum of its proper divisors (9453848161520).

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

6220387194640 is a wasteful number, since it uses less digits than its factorization.

6220387194640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291041 (or 1291035 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 6220387194640 in words is "six trillion, two hundred twenty billion, three hundred eighty-seven million, one hundred ninety-four thousand, six hundred forty".