4065426660 has 48 divisors (see below), whose sum is σ = 11388085632. Its totient is φ = 1083648000.

The previous prime is 4065426647. The next prime is 4065426661. The reversal of 4065426660 is 666245604.

It is not an unprimeable number, because it can be changed into a prime (4065426661) by changing a digit.

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, 139780 + ... + 166340.

It is an arithmetic number, because the mean of its divisors is an integer number (237251784).

Almost surely, 2^4065426660 is an apocalyptic number.

It is an amenable number.

4065426660 is an abundant number, since it is smaller than the sum of its proper divisors (7322658972).

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

4065426660 is a wasteful number, since it uses less digits than its factorization.

4065426660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29124 (or 29122 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 4065426660 is about 63760.6983964260. The cubic root of 4065426660 is about 1596.0091503298.

The spelling of 4065426660 in words is "four billion, sixty-five million, four hundred twenty-six thousand, six hundred sixty".