489646550 has 48 divisors (see below), whose sum is σ = 949558272. Its totient is φ = 187639200.

The previous prime is 489646537. The next prime is 489646579. The reversal of 489646550 is 55646984.

489646550 = T₅₆₀₅ + T₅₆₀₆ + ... + T₅₆₃₅.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 489646495 and 489646504.

It is a congruent number.

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, 158117 + ... + 161183.

It is an arithmetic number, because the mean of its divisors is an integer number (19782464).

Almost surely, 2^489646550 is an apocalyptic number.

489646550 is a deficient number, since it is larger than the sum of its proper divisors (459911722).

489646550 is a wasteful number, since it uses less digits than its factorization.

489646550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 489646550 is about 22127.9585592526. The cubic root of 489646550 is about 788.1839124700.

The spelling of 489646550 in words is "four hundred eighty-nine million, six hundred forty-six thousand, five hundred fifty".