4668531578428 has 12 divisors (see below), whose sum is σ = 8451651995640. Its totient is φ = 2253773865392.

The previous prime is 4668531578407. The next prime is 4668531578437. The reversal of 4668531578428 is 8248751358664.

It is a happy number.

It is a super-4 number, since 4×4668531578428⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20122980826 + ... + 20122981057.

It is an arithmetic number, because the mean of its divisors is an integer number (704304332970).

Almost surely, 2^{4668531578428} is an apocalyptic number.

It is an amenable number.

4668531578428 is a deficient number, since it is larger than the sum of its proper divisors (3783120417212).

4668531578428 is a wasteful number, since it uses less digits than its factorization.

4668531578428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40245961916 (or 40245961914 counting only the distinct ones).

The product of its digits is 309657600, while the sum is 67.

The spelling of 4668531578428 in words is "four trillion, six hundred sixty-eight billion, five hundred thirty-one million, five hundred seventy-eight thousand, four hundred twenty-eight".