4394228616 has 80 divisors (see below), whose sum is σ = 12421025100. Its totient is φ = 1451281536.

The previous prime is 4394228611. The next prime is 4394228617. The reversal of 4394228616 is 6168224934.

4394228616 is a `hidden beast` number, since 4 + 3 + 9 + 4 + 2 + 28 + 616 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4234104900 + 160123716 = 65070^2 + 12654^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4394228611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39526 + ... + 101738.

Almost surely, 2^4394228616 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 4394228616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6210512550).

4394228616 is an abundant number, since it is smaller than the sum of its proper divisors (8026796484).

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

4394228616 is a wasteful number, since it uses less digits than its factorization.

4394228616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62340 (or 62327 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 4394228616 is about 66288.9780883670. The cubic root of 4394228616 is about 1637.9257704960.

The spelling of 4394228616 in words is "four billion, three hundred ninety-four million, two hundred twenty-eight thousand, six hundred sixteen".