486217728 has 144 divisors (see below), whose sum is σ = 1457787240. Its totient is φ = 161906688.

The previous prime is 486217709. The next prime is 486217757. The reversal of 486217728 is 827712684.

It is a tau number, because it is divible by the number of its divisors (144).

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, 497176 + ... + 498152.

Almost surely, 2^486217728 is an apocalyptic number.

486217728 is a gapful number since it is divisible by the number (48) 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 486217728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728893620).

486217728 is an abundant number, since it is smaller than the sum of its proper divisors (971569512).

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

486217728 is an frugal number, since it uses more digits than its factorization.

486217728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 982 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 486217728 is about 22050.3453034187. The cubic root of 486217728 is about 786.3398099484.

The spelling of 486217728 in words is "four hundred eighty-six million, two hundred seventeen thousand, seven hundred twenty-eight".