490000005 has 48 divisors (see below), whose sum is σ = 932383296. Its totient is φ = 236079360.

The previous prime is 490000003. The next prime is 490000013. The reversal of 490000005 is 500000094.

It is not a de Polignac number, because 490000005 - 2¹ = 490000003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490000001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77649 + ... + 83721.

It is an arithmetic number, because the mean of its divisors is an integer number (19424652).

Almost surely, 2^490000005 is an apocalyptic number.

490000005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

490000005 is a deficient number, since it is larger than the sum of its proper divisors (442383291).

490000005 is a wasteful number, since it uses less digits than its factorization.

490000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258 (or 6255 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 490000005 is about 22135.9437341171. The cubic root of 490000005 is about 788.3735189921.

Adding to 490000005 its reverse (500000094), we get a palindrome (990000099).

It can be divided in two parts, 4 and 90000005, that added together give a palindrome (90000009).

The spelling of 490000005 in words is "four hundred ninety million, five", and thus it is an aban number.