489615550 has 24 divisors (see below), whose sum is σ = 940064832. Its totient is φ = 189528000.

The previous prime is 489615527. The next prime is 489615593. The reversal of 489615550 is 55516984.

It is a junction number, because it is equal to n+sod(n) for n = 489615497 and 489615506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156391 + ... + 159490.

It is an arithmetic number, because the mean of its divisors is an integer number (39169368).

Almost surely, 2^489615550 is an apocalyptic number.

489615550 is a deficient number, since it is larger than the sum of its proper divisors (450449282).

489615550 is a wasteful number, since it uses less digits than its factorization.

489615550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315924 (or 315919 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 489615550 is about 22127.2580768608. The cubic root of 489615550 is about 788.1672785552.

The spelling of 489615550 in words is "four hundred eighty-nine million, six hundred fifteen thousand, five hundred fifty".