485171856 has 240 divisors, whose sum is σ = 1573440960. Its totient is φ = 143700480.

The previous prime is 485171851. The next prime is 485171873. The reversal of 485171856 is 658171584.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (485171851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1465611 + ... + 1465941.

It is an arithmetic number, because the mean of its divisors is an integer number (6556004).

Almost surely, 2^485171856 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 485171856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786720480).

485171856 is an abundant number, since it is smaller than the sum of its proper divisors (1088269104).

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

485171856 is a wasteful number, since it uses less digits than its factorization.

485171856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 378 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 485171856 is about 22026.6169894516. The cubic root of 485171856 is about 785.7755900345.

The spelling of 485171856 in words is "four hundred eighty-five million, one hundred seventy-one thousand, eight hundred fifty-six".