4640640612 has 24 divisors (see below), whose sum is σ = 10829671776. Its totient is φ = 1546664448.

The previous prime is 4640640607. The next prime is 4640640623. The reversal of 4640640612 is 2160460464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79443 + ... + 124869.

It is an arithmetic number, because the mean of its divisors is an integer number (451236324).

Almost surely, 2^4640640612 is an apocalyptic number.

It is an amenable number.

4640640612 is an abundant number, since it is smaller than the sum of its proper divisors (6189031164).

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

4640640612 is a wasteful number, since it uses less digits than its factorization.

4640640612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53947 (or 53945 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 4640640612 is about 68122.2475554059. The cubic root of 4640640612 is about 1667.9869384045.

The spelling of 4640640612 in words is "four billion, six hundred forty million, six hundred forty thousand, six hundred twelve".