490539049 has 64 divisors (see below), whose sum is σ = 686246400. Its totient is φ = 345461760.

The previous prime is 490539043. The next prime is 490539059. The reversal of 490539049 is 940935094.

It is not a de Polignac number, because 490539049 - 2¹³ = 490530857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490538996 and 490539014.

It is not an unprimeable number, because it can be changed into a prime (490539043) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3580509 + ... + 3580645.

It is an arithmetic number, because the mean of its divisors is an integer number (10722600).

Almost surely, 2^490539049 is an apocalyptic number.

490539049 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

490539049 is a deficient number, since it is larger than the sum of its proper divisors (195707351).

490539049 is a wasteful number, since it uses less digits than its factorization.

490539049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 490539049 is about 22148.1161501379. The cubic root of 490539049 is about 788.6625069320.

The spelling of 490539049 in words is "four hundred ninety million, five hundred thirty-nine thousand, forty-nine".