4427261660 has 48 divisors (see below), whose sum is σ = 9579303552. Its totient is φ = 1717977600.

The previous prime is 4427261653. The next prime is 4427261701. The reversal of 4427261660 is 661627244.

It is a super-2 number, since 2×4427261660² = 39201291612211911200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64205 + ... + 113915.

It is an arithmetic number, because the mean of its divisors is an integer number (199568824).

Almost surely, 2^4427261660 is an apocalyptic number.

It is an amenable number.

4427261660 is an abundant number, since it is smaller than the sum of its proper divisors (5152041892).

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

4427261660 is a wasteful number, since it uses less digits than its factorization.

4427261660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49854 (or 49852 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 4427261660 is about 66537.6709841876. The cubic root of 4427261660 is about 1642.0198269422.

The spelling of 4427261660 in words is "four billion, four hundred twenty-seven million, two hundred sixty-one thousand, six hundred sixty".