4427631860 has 24 divisors (see below), whose sum is σ = 9299412360. Its totient is φ = 1770788864.

The previous prime is 4427631853. The next prime is 4427631863. The reversal of 4427631860 is 681367244.

It can be written as a sum of positive squares in 4 ways, for example, as 40424164 + 4387207696 = 6358^2 + 66236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427631863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175736 + ... + 199344.

It is an arithmetic number, because the mean of its divisors is an integer number (387475515).

Almost surely, 2^4427631860 is an apocalyptic number.

It is an amenable number.

4427631860 is an abundant number, since it is smaller than the sum of its proper divisors (4871780500).

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

4427631860 is a wasteful number, since it uses less digits than its factorization.

4427631860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32995 (or 32993 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 4427631860 is about 66540.4528087989. The cubic root of 4427631860 is about 1642.0655932905.

The spelling of 4427631860 in words is "four billion, four hundred twenty-seven million, six hundred thirty-one thousand, eight hundred sixty".