2009050490 has 8 divisors (see below), whose sum is σ = 3616290900. Its totient is φ = 803620192.

The previous prime is 2009050451. The next prime is 2009050559. The reversal of 2009050490 is 940509002.

2009050490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1783119529 + 225930961 = 42227^2 + 15031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100452515 + ... + 100452534.

Almost surely, 2^2009050490 is an apocalyptic number.

2009050490 is a deficient number, since it is larger than the sum of its proper divisors (1607240410).

2009050490 is a wasteful number, since it uses less digits than its factorization.

2009050490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200905056.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2009050490 is about 44822.4328880082. The cubic root of 2009050490 is about 1261.8186741724.

Adding to 2009050490 its reverse (940509002), we get a palindrome (2949559492).

The spelling of 2009050490 in words is "two billion, nine million, fifty thousand, four hundred ninety".