490385269 has 16 divisors (see below), whose sum is σ = 567452160. Its totient is φ = 419094000.

The previous prime is 490385267. The next prime is 490385299. The reversal of 490385269 is 962583094.

It is a cyclic number.

It is not a de Polignac number, because 490385269 - 2¹ = 490385267 is a prime.

It is a super-2 number, since 2×490385269² = 480955424104404722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490385267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18424 + ... + 36334.

It is an arithmetic number, because the mean of its divisors is an integer number (35465760).

Almost surely, 2^490385269 is an apocalyptic number.

It is an amenable number.

490385269 is a deficient number, since it is larger than the sum of its proper divisors (77066891).

490385269 is a wasteful number, since it uses less digits than its factorization.

490385269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 490385269 is about 22144.6442509244. The cubic root of 490385269 is about 788.5800852259.

The spelling of 490385269 in words is "four hundred ninety million, three hundred eighty-five thousand, two hundred sixty-nine".