485821442 has 4 divisors (see below), whose sum is σ = 728732166. Its totient is φ = 242910720.

The previous prime is 485821397. The next prime is 485821447. The reversal of 485821442 is 244128584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 247149841 + 238671601 = 15721^2 + 15449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 485821396 and 485821405.

It is not an unprimeable number, because it can be changed into a prime (485821447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121455359 + ... + 121455362.

Almost surely, 2^485821442 is an apocalyptic number.

485821442 is a deficient number, since it is larger than the sum of its proper divisors (242910724).

485821442 is a wasteful number, since it uses less digits than its factorization.

485821442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242910723.

The product of its digits is 81920, while the sum is 38.

The square root of 485821442 is about 22041.3575353244. The cubic root of 485821442 is about 786.1261195666.

The spelling of 485821442 in words is "four hundred eighty-five million, eight hundred twenty-one thousand, four hundred forty-two".