4665640756 has 48 divisors (see below), whose sum is σ = 9888560640. Its totient is φ = 1883508480.

The previous prime is 4665640747. The next prime is 4665640757. The reversal of 4665640756 is 6570465664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4665640757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36780 + ... + 103363.

It is an arithmetic number, because the mean of its divisors is an integer number (206011680).

Almost surely, 2^4665640756 is an apocalyptic number.

It is an amenable number.

4665640756 is an abundant number, since it is smaller than the sum of its proper divisors (5222919884).

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

4665640756 is a wasteful number, since it uses less digits than its factorization.

4665640756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140224 (or 140222 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The square root of 4665640756 is about 68305.4957964584. The cubic root of 4665640756 is about 1670.9768456367.

The spelling of 4665640756 in words is "four billion, six hundred sixty-five million, six hundred forty thousand, seven hundred fifty-six".