490030842 has 32 divisors (see below), whose sum is σ = 1124083584. Its totient is φ = 139507200.

The previous prime is 490030841. The next prime is 490030861. The reversal of 490030842 is 248030094.

It is a happy number.

It is a super-2 number, since 2×490030842² = 480260452222457928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490030841) 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 15 ways as a sum of consecutive naturals, for example, 8959 + ... + 32562.

It is an arithmetic number, because the mean of its divisors is an integer number (35127612).

Almost surely, 2^490030842 is an apocalyptic number.

490030842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

490030842 is an abundant number, since it is smaller than the sum of its proper divisors (634052742).

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

490030842 is a wasteful number, since it uses less digits than its factorization.

490030842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41814.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 490030842 is about 22136.6402599853. The cubic root of 490030842 is about 788.3900567907.

The spelling of 490030842 in words is "four hundred ninety million, thirty thousand, eight hundred forty-two".