6300220644 has 144 divisors (see below), whose sum is σ = 16781506560. Its totient is φ = 1990517760.

The previous prime is 6300220639. The next prime is 6300220657. The reversal of 6300220644 is 4460220036.

6300220644 is a `hidden beast` number, since 630 + 0 + 2 + 20 + 6 + 4 + 4 = 666.

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 47 ways as a sum of consecutive naturals, for example, 13607157 + ... + 13607619.

It is an arithmetic number, because the mean of its divisors is an integer number (116538240).

Almost surely, 2^6300220644 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 6300220644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8390753280).

6300220644 is an abundant number, since it is smaller than the sum of its proper divisors (10481285916).

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

6300220644 is a wasteful number, since it uses less digits than its factorization.

6300220644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 6300220644 is about 79373.9292463212. The cubic root of 6300220644 is about 1846.9363116066.

The spelling of 6300220644 in words is "six billion, three hundred million, two hundred twenty thousand, six hundred forty-four".