4585638652 has 48 divisors (see below), whose sum is σ = 9431976960. Its totient is φ = 1910106432.

The previous prime is 4585638643. The next prime is 4585638653. The reversal of 4585638652 is 2568365854.

It is a self number, because there is not a number n which added to its sum of digits gives 4585638652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4585638653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144349 + ... + 173227.

It is an arithmetic number, because the mean of its divisors is an integer number (196499520).

Almost surely, 2^4585638652 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 4585638652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4715988480).

4585638652 is an abundant number, since it is smaller than the sum of its proper divisors (4846338308).

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

4585638652 is a wasteful number, since it uses less digits than its factorization.

4585638652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29050 (or 29048 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The square root of 4585638652 is about 67717.3438049662. The cubic root of 4585638652 is about 1661.3709403428.

The spelling of 4585638652 in words is "four billion, five hundred eighty-five million, six hundred thirty-eight thousand, six hundred fifty-two".