490000242 has 16 divisors (see below), whose sum is σ = 982563840. Its totient is φ = 162906192.

The previous prime is 490000223. The next prime is 490000243. The reversal of 490000242 is 242000094.

It is not an unprimeable number, because it can be changed into a prime (490000243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104317 + ... + 108912.

It is an arithmetic number, because the mean of its divisors is an integer number (61410240).

Almost surely, 2^490000242 is an apocalyptic number.

490000242 is an abundant number, since it is smaller than the sum of its proper divisors (492563598).

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

490000242 is a wasteful number, since it uses less digits than its factorization.

490000242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213617.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 490000242 is about 22135.9490874008. The cubic root of 490000242 is about 788.3736460972.

The spelling of 490000242 in words is "four hundred ninety million, two hundred forty-two", and thus it is an aban number.