485778452 has 12 divisors (see below), whose sum is σ = 851110260. Its totient is φ = 242604096.

The previous prime is 485778437. The next prime is 485778473. The reversal of 485778452 is 254877584.

It can be written as a sum of positive squares in 2 ways, for example, as 292957456 + 192820996 = 17116^2 + 13886^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 485778452.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67427 + ... + 74282.

It is an arithmetic number, because the mean of its divisors is an integer number (70925855).

Almost surely, 2^485778452 is an apocalyptic number.

It is an amenable number.

485778452 is a deficient number, since it is larger than the sum of its proper divisors (365331808).

485778452 is a wasteful number, since it uses less digits than its factorization.

485778452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142570 (or 142568 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 50.

The square root of 485778452 is about 22040.3823015845. The cubic root of 485778452 is about 786.1029309656.

The spelling of 485778452 in words is "four hundred eighty-five million, seven hundred seventy-eight thousand, four hundred fifty-two".