4638348660 has 144 divisors (see below), whose sum is σ = 14344658496. Its totient is φ = 1119782400.

The previous prime is 4638348599. The next prime is 4638348703. The reversal of 4638348660 is 668438364.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19246140 + ... + 19246380.

It is an arithmetic number, because the mean of its divisors is an integer number (99615684).

Almost surely, 2^4638348660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4638348660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7172329248).

4638348660 is an abundant number, since it is smaller than the sum of its proper divisors (9706309836).

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

4638348660 is a wasteful number, since it uses less digits than its factorization.

4638348660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The square root of 4638348660 is about 68105.4231320825. The cubic root of 4638348660 is about 1667.7122941718.

The spelling of 4638348660 in words is "four billion, six hundred thirty-eight million, three hundred forty-eight thousand, six hundred sixty".