490745576 has 16 divisors (see below), whose sum is σ = 926011140. Its totient is φ = 243809280.

The previous prime is 490745557. The next prime is 490745581. The reversal of 490745576 is 675547094.

It can be written as a sum of positive squares in 2 ways, for example, as 439908676 + 50836900 = 20974^2 + 7130^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 490745576.

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, 194105 + ... + 196616.

Almost surely, 2^490745576 is an apocalyptic number.

It is an amenable number.

490745576 is a deficient number, since it is larger than the sum of its proper divisors (435265564).

490745576 is a wasteful number, since it uses less digits than its factorization.

490745576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390884 (or 390880 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 490745576 is about 22152.7780650644. The cubic root of 490745576 is about 788.7731724326.

The spelling of 490745576 in words is "four hundred ninety million, seven hundred forty-five thousand, five hundred seventy-six".