490333138 has 16 divisors (see below), whose sum is σ = 764780544. Its totient is φ = 235522080.

The previous prime is 490333111. The next prime is 490333141. The reversal of 490333138 is 831333094.

It is an unprimeable number.

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, 20370 + ... + 37357.

It is an arithmetic number, because the mean of its divisors is an integer number (47798784).

Almost surely, 2^490333138 is an apocalyptic number.

490333138 is a deficient number, since it is larger than the sum of its proper divisors (274447406).

490333138 is a wasteful number, since it uses less digits than its factorization.

490333138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57897.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 490333138 is about 22143.4671630258. The cubic root of 490333138 is about 788.5521405819.

The spelling of 490333138 in words is "four hundred ninety million, three hundred thirty-three thousand, one hundred thirty-eight".