4659939840 has 480 divisors, whose sum is σ = 16509943296. Its totient is φ = 1119191040.

The previous prime is 4659939827. The next prime is 4659939841. The reversal of 4659939840 is 489399564.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is not an unprimeable number, because it can be changed into a prime (4659939841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125944302 + ... + 125944338.

Almost surely, 2^4659939840 is an apocalyptic number.

4659939840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4659939840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8254971648).

4659939840 is an abundant number, since it is smaller than the sum of its proper divisors (11850003456).

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

4659939840 is a wasteful number, since it uses less digits than its factorization.

4659939840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The square root of 4659939840 is about 68263.7520211129. The cubic root of 4659939840 is about 1670.2959830122.

The spelling of 4659939840 in words is "four billion, six hundred fifty-nine million, nine hundred thirty-nine thousand, eight hundred forty".