4427316660 has 144 divisors (see below), whose sum is σ = 13525638336. Its totient is φ = 1081506816.

The previous prime is 4427316623. The next prime is 4427316703. The reversal of 4427316660 is 666137244.

It is a happy number.

It is a super-2 number, since 2×4427316660² = 39202265615827111200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 1387587 + ... + 1390773.

It is an arithmetic number, because the mean of its divisors is an integer number (93928044).

Almost surely, 2^4427316660 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 4427316660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6762819168).

4427316660 is an abundant number, since it is smaller than the sum of its proper divisors (9098321676).

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

4427316660 is a wasteful number, since it uses less digits than its factorization.

4427316660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 4427316660 is about 66538.0842826122. The cubic root of 4427316660 is about 1642.0266265340.

The spelling of 4427316660 in words is "four billion, four hundred twenty-seven million, three hundred sixteen thousand, six hundred sixty".