490135288 has 8 divisors (see below), whose sum is σ = 919003680. Its totient is φ = 245067640.

The previous prime is 490135241. The next prime is 490135339. The reversal of 490135288 is 882531094.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 490135288.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30633448 + ... + 30633463.

It is an arithmetic number, because the mean of its divisors is an integer number (114875460).

Almost surely, 2^490135288 is an apocalyptic number.

It is an amenable number.

490135288 is a deficient number, since it is larger than the sum of its proper divisors (428868392).

490135288 is a wasteful number, since it uses less digits than its factorization.

490135288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61266917 (or 61266913 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 490135288 is about 22138.9992547089. Note that the first 3 decimals coincide. The cubic root of 490135288 is about 788.4460657403.

The spelling of 490135288 in words is "four hundred ninety million, one hundred thirty-five thousand, two hundred eighty-eight".