485128204 has 24 divisors (see below), whose sum is σ = 933818256. Its totient is φ = 220510400.

The previous prime is 485128199. The next prime is 485128223. The reversal of 485128204 is 402821584.

It is a self number, because there is not a number n which added to its sum of digits gives 485128204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40237 + ... + 50884.

It is an arithmetic number, because the mean of its divisors is an integer number (38909094).

Almost surely, 2^485128204 is an apocalyptic number.

485128204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

485128204 is a deficient number, since it is larger than the sum of its proper divisors (448690052).

485128204 is a wasteful number, since it uses less digits than its factorization.

485128204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91158 (or 91134 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 485128204 is about 22025.6260750972. The cubic root of 485128204 is about 785.7520233303.

Adding to 485128204 its reverse (402821584), we get a palindrome (887949788).

The spelling of 485128204 in words is "four hundred eighty-five million, one hundred twenty-eight thousand, two hundred four".