490441990 has 16 divisors (see below), whose sum is σ = 891047952. Its totient is φ = 194342944.

The previous prime is 490441981. The next prime is 490442011. The reversal of 490441990 is 99144094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228109 + ... + 230248.

It is an arithmetic number, because the mean of its divisors is an integer number (55690497).

Almost surely, 2^490441990 is an apocalyptic number.

490441990 is a deficient number, since it is larger than the sum of its proper divisors (400605962).

490441990 is a wasteful number, since it uses less digits than its factorization.

490441990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458471.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 490441990 is about 22145.9249073052. The cubic root of 490441990 is about 788.6104880740.

The spelling of 490441990 in words is "four hundred ninety million, four hundred forty-one thousand, nine hundred ninety".