4388528650 has 48 divisors (see below), whose sum is σ = 9094239360. Its totient is φ = 1561865600.

The previous prime is 4388528623. The next prime is 4388528693. The reversal of 4388528650 is 568258834.

It is a junction number, because it is equal to n+sod(n) for n = 4388528594 and 4388528603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59035 + ... + 110734.

It is an arithmetic number, because the mean of its divisors is an integer number (189463320).

Almost surely, 2^4388528650 is an apocalyptic number.

4388528650 is an abundant number, since it is smaller than the sum of its proper divisors (4705710710).

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

4388528650 is a wasteful number, since it uses less digits than its factorization.

4388528650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169839 (or 169834 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The square root of 4388528650 is about 66245.9708208733. The cubic root of 4388528650 is about 1637.2172532030.

The spelling of 4388528650 in words is "four billion, three hundred eighty-eight million, five hundred twenty-eight thousand, six hundred fifty".