490622500 has 45 divisors (see below), whose sum is σ = 1075320631. Its totient is φ = 195806000.

The previous prime is 490622497. The next prime is 490622501. The reversal of 490622500 is 5226094.

The square root of 490622500 is 22150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 38464804 + 452157696 = 6202^2 + 21264^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490622501) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1107279 + ... + 1107721.

Almost surely, 2^490622500 is an apocalyptic number.

490622500 is the 22150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490622500

490622500 is an abundant number, since it is smaller than the sum of its proper divisors (584698131).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490622500 is an frugal number, since it uses more digits than its factorization.

490622500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The cubic root of 490622500 is about 788.7072270844.

Adding to 490622500 its reverse (5226094), we get a palindrome (495848594).

The spelling of 490622500 in words is "four hundred ninety million, six hundred twenty-two thousand, five hundred".