489854520 has 64 divisors (see below), whose sum is σ = 1632852000. Its totient is φ = 130627584.

The previous prime is 489854509. The next prime is 489854527. The reversal of 489854520 is 25458984.

489854520 is a `hidden beast` number, since 4 + 89 + 8 + 545 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489854527) 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, 225705 + ... + 227864.

Almost surely, 2^489854520 is an apocalyptic number.

489854520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489854520 is an abundant number, since it is smaller than the sum of its proper divisors (1142997480).

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

489854520 is a wasteful number, since it uses less digits than its factorization.

489854520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453589 (or 453579 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 489854520 is about 22132.6573189936. The cubic root of 489854520 is about 788.2954864250.

The spelling of 489854520 in words is "four hundred eighty-nine million, eight hundred fifty-four thousand, five hundred twenty".