489045490 has 16 divisors (see below), whose sum is σ = 880566552. Its totient is φ = 195554944.

The previous prime is 489045463. The next prime is 489045509. The reversal of 489045490 is 94540984.

It can be written as a sum of positive squares in 4 ways, for example, as 488719449 + 326041 = 22107^2 + 571^2 .

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, 36372 + ... + 47968.

Almost surely, 2^489045490 is an apocalyptic number.

489045490 is a deficient number, since it is larger than the sum of its proper divisors (391521062).

489045490 is a wasteful number, since it uses less digits than its factorization.

489045490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 489045490 is about 22114.3729280303. The cubic root of 489045490 is about 787.8612717122.

The spelling of 489045490 in words is "four hundred eighty-nine million, forty-five thousand, four hundred ninety".