489348540 has 84 divisors (see below), whose sum is σ = 1540788984. Its totient is φ = 130489056.

The previous prime is 489348533. The next prime is 489348551. The reversal of 489348540 is 45843984.

It is a happy number.

489348540 is a `hidden beast` number, since 48 + 93 + 485 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2202 + ... + 31361.

It is an arithmetic number, because the mean of its divisors is an integer number (18342726).

Almost surely, 2^489348540 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 489348540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770394492).

489348540 is an abundant number, since it is smaller than the sum of its proper divisors (1051440444).

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

489348540 is a wasteful number, since it uses less digits than its factorization.

489348540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33590 (or 33573 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 489348540 is about 22121.2237455345. The cubic root of 489348540 is about 788.0239778149.

The spelling of 489348540 in words is "four hundred eighty-nine million, three hundred forty-eight thousand, five hundred forty".