4664239992 has 24 divisors (see below), whose sum is σ = 12632316840. Its totient is φ = 1554746640.

The previous prime is 4664239981. The next prime is 4664239997. The reversal of 4664239992 is 2999324664.

4664239992 is a `hidden beast` number, since 46 + 6 + 423 + 99 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664239997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32390484 + ... + 32390627.

It is an arithmetic number, because the mean of its divisors is an integer number (526346535).

Almost surely, 2^4664239992 is an apocalyptic number.

It is an amenable number.

4664239992 is an abundant number, since it is smaller than the sum of its proper divisors (7968076848).

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

4664239992 is a wasteful number, since it uses less digits than its factorization.

4664239992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64781123 (or 64781116 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 4664239992 is about 68295.2413569203. The cubic root of 4664239992 is about 1670.8096032638.

The spelling of 4664239992 in words is "four billion, six hundred sixty-four million, two hundred thirty-nine thousand, nine hundred ninety-two".