490461505 has 8 divisors (see below), whose sum is σ = 591081192. Its totient is φ = 390684288.

The previous prime is 490461493. The next prime is 490461541. The reversal of 490461505 is 505164094.

It can be written as a sum of positive squares in 4 ways, for example, as 414736 + 490046769 = 644^2 + 22137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490461505 - 2⁵ = 490461473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209334 + ... + 211663.

It is an arithmetic number, because the mean of its divisors is an integer number (73885149).

Almost surely, 2^490461505 is an apocalyptic number.

It is an amenable number.

490461505 is a deficient number, since it is larger than the sum of its proper divisors (100619687).

490461505 is a wasteful number, since it uses less digits than its factorization.

490461505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421235.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 490461505 is about 22146.3655031700. The cubic root of 490461505 is about 788.6209477069.

The spelling of 490461505 in words is "four hundred ninety million, four hundred sixty-one thousand, five hundred five".