6354445220 has 12 divisors (see below), whose sum is σ = 13344335004. Its totient is φ = 2541778080.

The previous prime is 6354445219. The next prime is 6354445241. The reversal of 6354445220 is 225444536.

It can be written as a sum of positive squares in 2 ways, for example, as 3817509796 + 2536935424 = 61786^2 + 50368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158861111 + ... + 158861150.

It is an arithmetic number, because the mean of its divisors is an integer number (1112027917).

Almost surely, 2^6354445220 is an apocalyptic number.

It is an amenable number.

6354445220 is an abundant number, since it is smaller than the sum of its proper divisors (6989889784).

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

6354445220 is a wasteful number, since it uses less digits than its factorization.

6354445220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317722270 (or 317722268 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 6354445220 is about 79714.7741638901. The cubic root of 6354445220 is about 1852.2199034642.

Adding to 6354445220 its reverse (225444536), we get a palindrome (6579889756).

The spelling of 6354445220 in words is "six billion, three hundred fifty-four million, four hundred forty-five thousand, two hundred twenty".