490444169 has 16 divisors (see below), whose sum is σ = 549115200. Its totient is φ = 435308544.

The previous prime is 490444133. The next prime is 490444181. The reversal of 490444169 is 961444094.

It is a happy number.

It is not a de Polignac number, because 490444169 - 2⁸ = 490443913 is a prime.

It is a super-2 number, since 2×490444169² = 481070965812201122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490444189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69977 + ... + 76665.

It is an arithmetic number, because the mean of its divisors is an integer number (34319700).

Almost surely, 2^490444169 is an apocalyptic number.

It is an amenable number.

490444169 is a deficient number, since it is larger than the sum of its proper divisors (58671031).

490444169 is a wasteful number, since it uses less digits than its factorization.

490444169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 490444169 is about 22145.9741036605. The cubic root of 490444169 is about 788.6116559863.

The spelling of 490444169 in words is "four hundred ninety million, four hundred forty-four thousand, one hundred sixty-nine".