489132672 has 128 divisors (see below), whose sum is σ = 1492431360. Its totient is φ = 139041792.

The previous prime is 489132667. The next prime is 489132673. The reversal of 489132672 is 276231984.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (489132673) 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, 760383 + ... + 761025.

It is an arithmetic number, because the mean of its divisors is an integer number (11659620).

Almost surely, 2^489132672 is an apocalyptic number.

489132672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489132672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746215680).

489132672 is an abundant number, since it is smaller than the sum of its proper divisors (1003298688).

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

489132672 is a wasteful number, since it uses less digits than its factorization.

489132672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 938 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 489132672 is about 22116.3440016654. The cubic root of 489132672 is about 787.9080861985.

The spelling of 489132672 in words is "four hundred eighty-nine million, one hundred thirty-two thousand, six hundred seventy-two".