4156640306 has 48 divisors (see below), whose sum is σ = 7819991424. Its totient is φ = 1642457376.

The previous prime is 4156640297. The next prime is 4156640321. The reversal of 4156640306 is 6030466514.

4156640306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1633271 + ... + 1635813.

It is an arithmetic number, because the mean of its divisors is an integer number (162916488).

Almost surely, 2^4156640306 is an apocalyptic number.

4156640306 is a deficient number, since it is larger than the sum of its proper divisors (3663351118).

4156640306 is a wasteful number, since it uses less digits than its factorization.

4156640306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 4156640306 is about 64472.0118035726. The cubic root of 4156640306 is about 1607.8572250258.

The spelling of 4156640306 in words is "four billion, one hundred fifty-six million, six hundred forty thousand, three hundred six".