4009536660 has 96 divisors (see below), whose sum is σ = 11372296320. Its totient is φ = 1055420928.

The previous prime is 4009536659. The next prime is 4009536689. The reversal of 4009536660 is 666359004.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 2006782 + ... + 2008778.

It is an arithmetic number, because the mean of its divisors is an integer number (118461420).

Almost surely, 2^4009536660 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 4009536660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5686148160).

4009536660 is an abundant number, since it is smaller than the sum of its proper divisors (7362759660).

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

4009536660 is a wasteful number, since it uses less digits than its factorization.

4009536660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 4009536660 is about 63320.9022361495. The cubic root of 4009536660 is about 1588.6615927290.

The spelling of 4009536660 in words is "four billion, nine million, five hundred thirty-six thousand, six hundred sixty".