485780266 has 4 divisors (see below), whose sum is σ = 728670402. Its totient is φ = 242890132.

The previous prime is 485780173. The next prime is 485780299. The reversal of 485780266 is 662087584.

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., 407192041 + 78588225 = 20179^2 + 8865^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121445065 + ... + 121445068.

Almost surely, 2^485780266 is an apocalyptic number.

485780266 is a deficient number, since it is larger than the sum of its proper divisors (242890136).

485780266 is a wasteful number, since it uses less digits than its factorization.

485780266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242890135.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 485780266 is about 22040.4234532824. The cubic root of 485780266 is about 786.1039094562.

The spelling of 485780266 in words is "four hundred eighty-five million, seven hundred eighty thousand, two hundred sixty-six".