490758660 has 144 divisors (see below), whose sum is σ = 1714317696. Its totient is φ = 111315456.

The previous prime is 490758629. The next prime is 490758701. The reversal of 490758660 is 66857094.

490758660 is a `hidden beast` number, since 4 + 9 + 0 + 7 + 586 + 60 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171199 + ... + 174041.

It is an arithmetic number, because the mean of its divisors is an integer number (11904984).

Almost surely, 2^490758660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490758660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857158848).

490758660 is an abundant number, since it is smaller than the sum of its proper divisors (1223559036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490758660 is a wasteful number, since it uses less digits than its factorization.

490758660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 490758660 is about 22153.0733759449. The cubic root of 490758660 is about 788.7801823219.

The spelling of 490758660 in words is "four hundred ninety million, seven hundred fifty-eight thousand, six hundred sixty".