4665644928 has 128 divisors (see below), whose sum is σ = 15737376000. Its totient is φ = 1333034496.

The previous prime is 4665644911. The next prime is 4665644947. The reversal of 4665644928 is 8294465664.

4665644928 is a `hidden beast` number, since 466 + 56 + 44 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72238 + ... + 120621.

It is an arithmetic number, because the mean of its divisors is an integer number (122948250).

Almost surely, 2^4665644928 is an apocalyptic number.

4665644928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4665644928 is an abundant number, since it is smaller than the sum of its proper divisors (11071731072).

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

4665644928 is a wasteful number, since it uses less digits than its factorization.

4665644928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192889 (or 192871 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The square root of 4665644928 is about 68305.5263357219. The cubic root of 4665644928 is about 1670.9773436971.

The spelling of 4665644928 in words is "four billion, six hundred sixty-five million, six hundred forty-four thousand, nine hundred twenty-eight".